Finding the Fourth Proportional to 17,640.72, 24,344.37 and 9,682.77

Step by Step Solution

1. Step 1: Write the proportion equation
   17,640.72 : 24,344.37 = 9,682.77 : x
2. Step 2: Convert to fraction form
   17,640.72/24,344.37 = 9,682.77/x
3. Step 3: Cross multiply
   17,640.72x = 24,344.37 × 9,682.77
4. Step 4: Simplify right side
   17,640.72x = 235,720,935.50
5. Step 5: Solve for x
   x = 235,720,935.50/17,640.72
6. Step 6: Final answer
   x = 13,362.32