Finding the Fourth Proportional to 17,688.49, 24,410.72 and 9,731.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,688.49 : 24,410.72 = 9,731.05 : x
2. Step 2: Convert to fraction form
   17,688.49/24,410.72 = 9,731.05/x
3. Step 3: Cross multiply
   17,688.49x = 24,410.72 × 9,731.05
4. Step 4: Simplify right side
   17,688.49x = 237,541,936.86
5. Step 5: Solve for x
   x = 237,541,936.86/17,688.49
6. Step 6: Final answer
   x = 13,429.18