Finding the Fourth Proportional to 726,149.74, 1,002,099.52 and 403,859.98

Step by Step Solution

1. Step 1: Write the proportion equation
   726,149.74 : 1,002,099.52 = 403,859.98 : x
2. Step 2: Convert to fraction form
   726,149.74/1,002,099.52 = 403,859.98/x
3. Step 3: Cross multiply
   726,149.74x = 1,002,099.52 × 403,859.98
4. Step 4: Simplify right side
   726,149.74x = 404,707,892,105.21
5. Step 5: Solve for x
   x = 404,707,892,105.21/726,149.74
6. Step 6: Final answer
   x = 557,333.94