Finding the Fourth Proportional to 17,520.91, 24,178.98 and 9,563.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,520.91 : 24,178.98 = 9,563.20 : x
2. Step 2: Convert to fraction form
   17,520.91/24,178.98 = 9,563.20/x
3. Step 3: Cross multiply
   17,520.91x = 24,178.98 × 9,563.20
4. Step 4: Simplify right side
   17,520.91x = 231,228,421.54
5. Step 5: Solve for x
   x = 231,228,421.54/17,520.91
6. Step 6: Final answer
   x = 13,197.28