Finding the Fourth Proportional to 828,354.16, 1,142,566.72 and 537,445.96

Step by Step Solution

1. Step 1: Write the proportion equation
   828,354.16 : 1,142,566.72 = 537,445.96 : x
2. Step 2: Convert to fraction form
   828,354.16/1,142,566.72 = 537,445.96/x
3. Step 3: Cross multiply
   828,354.16x = 1,142,566.72 × 537,445.96
4. Step 4: Simplify right side
   828,354.16x = 614,067,867,694.45
5. Step 5: Solve for x
   x = 614,067,867,694.45/828,354.16
6. Step 6: Final answer
   x = 741,310.78