The doctor who asked you to go for X-ray is in the best position to respond to this question.

Was this X-ray recommended by a doctor? please take your daughter back to the hospital with the result for further review by a doctor.

X-rays only does not tell you a baby is fine depending on the condition.... This kind of cases are best managed by specialists at Teaching Hospitals. Kindly take the child back to the hospital preferably a Teaching Hospital to see a Paediatric Surgeon for further evaluation and management

Walking on tiptoes can be normal variation especially if other members of the family also walk on tip toes growing up. It can also be a sign of neurological disorders.... If you are really worried kindly see a Paediatrician for thorough evaluation first