Finding the Fourth Proportional to 755,256.72, 1,042,132.32 and 432,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   755,256.72 : 1,042,132.32 = 432,907.50 : x
2. Step 2: Convert to fraction form
   755,256.72/1,042,132.32 = 432,907.50/x
3. Step 3: Cross multiply
   755,256.72x = 1,042,132.32 × 432,907.50
4. Step 4: Simplify right side
   755,256.72x = 451,146,897,320.40
5. Step 5: Solve for x
   x = 451,146,897,320.40/755,256.72
6. Step 6: Final answer
   x = 597,342.45