Finding the Fourth Proportional to 16,123.42, 22,251.71 and 8,954.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.42 : 22,251.71 = 8,954.71 : x
2. Step 2: Convert to fraction form
   16,123.42/22,251.71 = 8,954.71/x
3. Step 3: Cross multiply
   16,123.42x = 22,251.71 × 8,954.71
4. Step 4: Simplify right side
   16,123.42x = 199,257,610.05
5. Step 5: Solve for x
   x = 199,257,610.05/16,123.42
6. Step 6: Final answer
   x = 12,358.27