Great to hear you are getting things resolved.
Do the chiropractor say anything on what may have caused the navicular bone to be out of place?
Identifying the cause will help to correct the situation so the change stays.
Another  to take a look at:
Episode 07: Bro, Your Navicular Bone Dropped
Yes it can take some time for things to get completely worked out. Keep working with it as you are seeing change.