Finding the Fourth Proportional to 17,682.41, 24,401.90 and 9,724.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,682.41 : 24,401.90 = 9,724.69 : x
2. Step 2: Convert to fraction form
   17,682.41/24,401.90 = 9,724.69/x
3. Step 3: Cross multiply
   17,682.41x = 24,401.90 × 9,724.69
4. Step 4: Simplify right side
   17,682.41x = 237,300,912.91
5. Step 5: Solve for x
   x = 237,300,912.91/17,682.41
6. Step 6: Final answer
   x = 13,420.17