Finding the Fourth Proportional to 928,843.72, 1,281,259.92 and 584,132.88

Step by Step Solution

1. Step 1: Write the proportion equation
   928,843.72 : 1,281,259.92 = 584,132.88 : x
2. Step 2: Convert to fraction form
   928,843.72/1,281,259.92 = 584,132.88/x
3. Step 3: Cross multiply
   928,843.72x = 1,281,259.92 × 584,132.88
4. Step 4: Simplify right side
   928,843.72x = 748,426,047,098.17
5. Step 5: Solve for x
   x = 748,426,047,098.17/928,843.72
6. Step 6: Final answer
   x = 805,761.00