Finding the Fourth Proportional to 743,402.31, 1,025,875.26 and 437,496.72

Step by Step Solution

1. Step 1: Write the proportion equation
   743,402.31 : 1,025,875.26 = 437,496.72 : x
2. Step 2: Convert to fraction form
   743,402.31/1,025,875.26 = 437,496.72/x
3. Step 3: Cross multiply
   743,402.31x = 1,025,875.26 × 437,496.72
4. Step 4: Simplify right side
   743,402.31x = 448,817,061,379.15
5. Step 5: Solve for x
   x = 448,817,061,379.15/743,402.31
6. Step 6: Final answer
   x = 603,733.75