Finding the Fourth Proportional to 726,150.77, 1,002,123.55 and 403,853.95

Step by Step Solution

1. Step 1: Write the proportion equation
   726,150.77 : 1,002,123.55 = 403,853.95 : x
2. Step 2: Convert to fraction form
   726,150.77/1,002,123.55 = 403,853.95/x
3. Step 3: Cross multiply
   726,150.77x = 1,002,123.55 × 403,853.95
4. Step 4: Simplify right side
   726,150.77x = 404,711,553,541.32
5. Step 5: Solve for x
   x = 404,711,553,541.32/726,150.77
6. Step 6: Final answer
   x = 557,338.18