Finding the Fourth Proportional to 1,154,543.52, 1,592,238.42 and 724,863.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154,543.52 : 1,592,238.42 = 724,863.72 : x
2. Step 2: Convert to fraction form
   1,154,543.52/1,592,238.42 = 724,863.72/x
3. Step 3: Cross multiply
   1,154,543.52x = 1,592,238.42 × 724,863.72
4. Step 4: Simplify right side
   1,154,543.52x = 1,154,155,864,248.12
5. Step 5: Solve for x
   x = 1,154,155,864,248.12/1,154,543.52
6. Step 6: Final answer
   x = 999,664.23