Finding the Fourth Proportional to 755,253.72, 1,042,128.18 and 432,904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   755,253.72 : 1,042,128.18 = 432,904.50 : x
2. Step 2: Convert to fraction form
   755,253.72/1,042,128.18 = 432,904.50/x
3. Step 3: Cross multiply
   755,253.72x = 1,042,128.18 × 432,904.50
4. Step 4: Simplify right side
   755,253.72x = 451,141,978,698.81
5. Step 5: Solve for x
   x = 451,141,978,698.81/755,253.72
6. Step 6: Final answer
   x = 597,338.31