It may seem basic but I was lost starting this quest... SO here is a quick description.
1)Travel to Thorin's Gate
2)Follow the path all the way down till u hit very southern tip.. there is a sigh saying to duillond.. take that path
3) go all the way to the back of the town when u hit the stable master make a left.
4)You should see the ring above her head at '24.2S, 92.7W' grats ur a Apprentice Scholar!