Finding the Fourth Proportional to 1,338,616.71, 1,847,280.78 and 726,757.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,616.71 : 1,847,280.78 = 726,757.29 : x
2. Step 2: Convert to fraction form
   1,338,616.71/1,847,280.78 = 726,757.29/x
3. Step 3: Cross multiply
   1,338,616.71x = 1,847,280.78 × 726,757.29
4. Step 4: Simplify right side
   1,338,616.71x = 1,342,524,773,541.89
5. Step 5: Solve for x
   x = 1,342,524,773,541.89/1,338,616.71
6. Step 6: Final answer
   x = 1,002,919.48