Finding the Fourth Proportional to 17,478.28, 24,118.86 and 9,520.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,478.28 : 24,118.86 = 9,520.12 : x
2. Step 2: Convert to fraction form
   17,478.28/24,118.86 = 9,520.12/x
3. Step 3: Cross multiply
   17,478.28x = 24,118.86 × 9,520.12
4. Step 4: Simplify right side
   17,478.28x = 229,614,441.46
5. Step 5: Solve for x
   x = 229,614,441.46/17,478.28
6. Step 6: Final answer
   x = 13,137.13