Solution

154587

First name
robbie vart
School
middleton tyas
Country
Age
10
Email address
robbie.vart@gmail.com

I found out two things very interesting and they where the following:
the units column goes 7,3,7,3,7,3,7,3,7,3,7,3;
I also found out that the number in-between you times by four then subtract five to get the answer and here is how I worked it out:
7 x 4=28 - 5 = 23 x 4 =92 - 5 =87 x 4 =368 - 5 =363 ext..