Finding the Fourth Proportional to 16,426.72, 22,668.96 and 8,974.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,426.72 : 22,668.96 = 8,974.72 : x
2. Step 2: Convert to fraction form
   16,426.72/22,668.96 = 8,974.72/x
3. Step 3: Cross multiply
   16,426.72x = 22,668.96 × 8,974.72
4. Step 4: Simplify right side
   16,426.72x = 203,447,568.69
5. Step 5: Solve for x
   x = 203,447,568.69/16,426.72
6. Step 6: Final answer
   x = 12,385.16