Finding the Fourth Proportional to 2,550.77, 3,826.76 and 907.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.77 : 3,826.76 = 907.46 : x
2. Step 2: Convert to fraction form
   2,550.77/3,826.76 = 907.46/x
3. Step 3: Cross multiply
   2,550.77x = 3,826.76 × 907.46
4. Step 4: Simplify right side
   2,550.77x = 3,472,607.96
5. Step 5: Solve for x
   x = 3,472,607.96/2,550.77
6. Step 6: Final answer
   x = 1,361.40