Finding the Fourth Proportional to 726,150.74, 1,002,100.90 and 403,860.98

Step by Step Solution

1. Step 1: Write the proportion equation
   726,150.74 : 1,002,100.90 = 403,860.98 : x
2. Step 2: Convert to fraction form
   726,150.74/1,002,100.90 = 403,860.98/x
3. Step 3: Cross multiply
   726,150.74x = 1,002,100.90 × 403,860.98
4. Step 4: Simplify right side
   726,150.74x = 404,709,451,532.88
5. Step 5: Solve for x
   x = 404,709,451,532.88/726,150.74
6. Step 6: Final answer
   x = 557,335.32