Finding the Fourth Proportional to 12,572.72, 17,351.20 and 7,268.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,572.72 : 17,351.20 = 7,268.88 : x
2. Step 2: Convert to fraction form
   12,572.72/17,351.20 = 7,268.88/x
3. Step 3: Cross multiply
   12,572.72x = 17,351.20 × 7,268.88
4. Step 4: Simplify right side
   12,572.72x = 126,123,790.66
5. Step 5: Solve for x
   x = 126,123,790.66/12,572.72
6. Step 6: Final answer
   x = 10,031.54