Finding the Fourth Proportional to 17,682.72, 24,401.59 and 9,724.92

Step by Step Solution

1. Step 1: Write the proportion equation
   17,682.72 : 24,401.59 = 9,724.92 : x
2. Step 2: Convert to fraction form
   17,682.72/24,401.59 = 9,724.92/x
3. Step 3: Cross multiply
   17,682.72x = 24,401.59 × 9,724.92
4. Step 4: Simplify right side
   17,682.72x = 237,303,510.62
5. Step 5: Solve for x
   x = 237,303,510.62/17,682.72
6. Step 6: Final answer
   x = 13,420.08