Finding the Fourth Proportional to 17,616.32, 24,312.06 and 9,660.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,616.32 : 24,312.06 = 9,660.10 : x
2. Step 2: Convert to fraction form
   17,616.32/24,312.06 = 9,660.10/x
3. Step 3: Cross multiply
   17,616.32x = 24,312.06 × 9,660.10
4. Step 4: Simplify right side
   17,616.32x = 234,856,930.81
5. Step 5: Solve for x
   x = 234,856,930.81/17,616.32
6. Step 6: Final answer
   x = 13,331.78