Finding the Fourth Proportional to 17,624.24, 24,321.28 and 9,666.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,624.24 : 24,321.28 = 9,666.30 : x
2. Step 2: Convert to fraction form
   17,624.24/24,321.28 = 9,666.30/x
3. Step 3: Cross multiply
   17,624.24x = 24,321.28 × 9,666.30
4. Step 4: Simplify right side
   17,624.24x = 235,096,788.86
5. Step 5: Solve for x
   x = 235,096,788.86/17,624.24
6. Step 6: Final answer
   x = 13,339.40