Finding the Fourth Proportional to 2,550.57, 3,826.13 and 907.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.57 : 3,826.13 = 907.27 : x
2. Step 2: Convert to fraction form
   2,550.57/3,826.13 = 907.27/x
3. Step 3: Cross multiply
   2,550.57x = 3,826.13 × 907.27
4. Step 4: Simplify right side
   2,550.57x = 3,471,328.43
5. Step 5: Solve for x
   x = 3,471,328.43/2,550.57
6. Step 6: Final answer
   x = 1,361.00