Finding the Fourth Proportional to 16,456.28, 24,674.34 and 8,668.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.28 : 24,674.34 = 8,668.76 : x
2. Step 2: Convert to fraction form
   16,456.28/24,674.34 = 8,668.76/x
3. Step 3: Cross multiply
   16,456.28x = 24,674.34 × 8,668.76
4. Step 4: Simplify right side
   16,456.28x = 213,895,931.62
5. Step 5: Solve for x
   x = 213,895,931.62/16,456.28
6. Step 6: Final answer
   x = 12,997.83