Finding the Fourth Proportional to 752,321.52, 1,038,221.82 and 412,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   752,321.52 : 1,038,221.82 = 412,789.50 : x
2. Step 2: Convert to fraction form
   752,321.52/1,038,221.82 = 412,789.50/x
3. Step 3: Cross multiply
   752,321.52x = 1,038,221.82 × 412,789.50
4. Step 4: Simplify right side
   752,321.52x = 428,567,065,966.89
5. Step 5: Solve for x
   x = 428,567,065,966.89/752,321.52
6. Step 6: Final answer
   x = 569,659.45