Basically the ip address you show is an internal LAN network address. You need a public ip address and port mapping to be able to access the database remotely. Providing the Filemaker server is set up correctly to allow remote access.
Thank you for the post.
Eoin Kavanagh is correct (thank you!) that to access the FileMaker Server remotely requires using the public I.P. address instead of the private I.P and will require port forwarding.
Additionally, here are some useful knowledge base articles: