Finding the Fourth Proportional to 17,689.40, 24,411.50 and 9,731.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,689.40 : 24,411.50 = 9,731.42 : x
2. Step 2: Convert to fraction form
   17,689.40/24,411.50 = 9,731.42/x
3. Step 3: Cross multiply
   17,689.40x = 24,411.50 × 9,731.42
4. Step 4: Simplify right side
   17,689.40x = 237,558,559.33
5. Step 5: Solve for x
   x = 237,558,559.33/17,689.40
6. Step 6: Final answer
   x = 13,429.43