Finding the Fourth Proportional to 15,042.24, 20,757.06 and 8,668.62

Step by Step Solution

1. Step 1: Write the proportion equation
   15,042.24 : 20,757.06 = 8,668.62 : x
2. Step 2: Convert to fraction form
   15,042.24/20,757.06 = 8,668.62/x
3. Step 3: Cross multiply
   15,042.24x = 20,757.06 × 8,668.62
4. Step 4: Simplify right side
   15,042.24x = 179,935,065.46
5. Step 5: Solve for x
   x = 179,935,065.46/15,042.24
6. Step 6: Final answer
   x = 11,961.99