Finding the Fourth Proportional to 17,682.05, 24,401.91 and 9,724.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,682.05 : 24,401.91 = 9,724.10 : x
2. Step 2: Convert to fraction form
   17,682.05/24,401.91 = 9,724.10/x
3. Step 3: Cross multiply
   17,682.05x = 24,401.91 × 9,724.10
4. Step 4: Simplify right side
   17,682.05x = 237,286,610.05
5. Step 5: Solve for x
   x = 237,286,610.05/17,682.05
6. Step 6: Final answer
   x = 13,419.63