Finding the Fourth Proportional to 17,478.64, 24,120.72 and 9,520.93

Step by Step Solution

1. Step 1: Write the proportion equation
   17,478.64 : 24,120.72 = 9,520.93 : x
2. Step 2: Convert to fraction form
   17,478.64/24,120.72 = 9,520.93/x
3. Step 3: Cross multiply
   17,478.64x = 24,120.72 × 9,520.93
4. Step 4: Simplify right side
   17,478.64x = 229,651,686.67
5. Step 5: Solve for x
   x = 229,651,686.67/17,478.64
6. Step 6: Final answer
   x = 13,138.99