Finding the Fourth Proportional to 9,540.72, 14,272.17 and 7,693.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,540.72 : 14,272.17 = 7,693.92 : x
2. Step 2: Convert to fraction form
   9,540.72/14,272.17 = 7,693.92/x
3. Step 3: Cross multiply
   9,540.72x = 14,272.17 × 7,693.92
4. Step 4: Simplify right side
   9,540.72x = 109,808,934.21
5. Step 5: Solve for x
   x = 109,808,934.21/9,540.72
6. Step 6: Final answer
   x = 11,509.50