I can confirm that the Seattle Seahawks will select 4th overall in the 2009 NFL Draft.
The Seahawks were defeated in Arizona, recording a final 4-12 record. The Bengals victory over the Chiefs improved them to 4-11-1 so they move passed the Seahawks. The Raiders won in Tampa to get to 5-11, they will also select after Seattle.
The only debate was about the Cleveland Browns, who suffered a heavy defeat to Pittsburgh to also finish 4-12. The tie breaker is based on strength of schedule. Coming into week 17, the Seahawks had a strength of schedule of 119-120-1 and the Browns 136-101-3. Essentially, the Browns needed to make up a deficit of 18 games this week. The fact that all the Browns divisional opponents won today in the AFC North made this prospect impossible. Seattle will select 4th overall and Cleveland 5th.
Here's the last five players taken 4th overall in the NFL Draft:
2008 - Darren McFadden, Oakland, RB
2007 - Gaines Adams, Tampa Bay, DE
2006 - D'Brickashaw Ferguson, NY Jets, OT
2005 - Cedric Benson, Chicago, RB
2004 - Philip Rivers, NY Giants, QB (traded to San Diego)