Finding the Fourth Proportional to 800,755.39, 1,105,039.43 and 433,231.32

Step by Step Solution

1. Step 1: Write the proportion equation
   800,755.39 : 1,105,039.43 = 433,231.32 : x
2. Step 2: Convert to fraction form
   800,755.39/1,105,039.43 = 433,231.32/x
3. Step 3: Cross multiply
   800,755.39x = 1,105,039.43 × 433,231.32
4. Step 4: Simplify right side
   800,755.39x = 478,737,694,513.31
5. Step 5: Solve for x
   x = 478,737,694,513.31/800,755.39
6. Step 6: Final answer
   x = 597,857.60