Finding the Fourth Proportional to 17,618.24, 24,313.16 and 9,660.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,618.24 : 24,313.16 = 9,660.30 : x
2. Step 2: Convert to fraction form
   17,618.24/24,313.16 = 9,660.30/x
3. Step 3: Cross multiply
   17,618.24x = 24,313.16 × 9,660.30
4. Step 4: Simplify right side
   17,618.24x = 234,872,419.55
5. Step 5: Solve for x
   x = 234,872,419.55/17,618.24
6. Step 6: Final answer
   x = 13,331.21