So in this way you can root your Nokia X or Nokia XL running on V18.104.22.168 , This method also works for software v 11.1.1. So this method works for every Nokia X, Nokia X+ and Nokia XL irrespective of software Version.
After Rooting Nokia X, Nokia X+ and Nokia XL you can install Google Play Store, GMail, Chrome, Google Maps, YouTube, Google Now and other Google Services. To install Google services refer this tutorial.
Update: Nokia X toolkit updated. Now you can install/uninstall Google Play Services from the Nokia X Toolkit