Finding the Fourth Proportional to 2,550.24, 3,826.88 and 906.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.24 : 3,826.88 = 906.56 : x
2. Step 2: Convert to fraction form
   2,550.24/3,826.88 = 906.56/x
3. Step 3: Cross multiply
   2,550.24x = 3,826.88 × 906.56
4. Step 4: Simplify right side
   2,550.24x = 3,469,296.33
5. Step 5: Solve for x
   x = 3,469,296.33/2,550.24
6. Step 6: Final answer
   x = 1,360.38