Finding the Fourth Proportional to 17,543.31, 24,209.37 and 9,585.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,543.31 : 24,209.37 = 9,585.57 : x
2. Step 2: Convert to fraction form
   17,543.31/24,209.37 = 9,585.57/x
3. Step 3: Cross multiply
   17,543.31x = 24,209.37 × 9,585.57
4. Step 4: Simplify right side
   17,543.31x = 232,060,610.79
5. Step 5: Solve for x
   x = 232,060,610.79/17,543.31
6. Step 6: Final answer
   x = 13,227.87