Board Thread:Skyrim/@comment-1.44.105.178-20130803005140/@comment-6881629-20130803120110

If an item is out of reach you can use Unrelenting Force or even a simple projectile spell to try and move it (can sometimes make it worse though) the safest option is the spell Telekinesis.

If your main problem is you can't get back in to the throne room have a look here.