Finding the Fourth Proportional to 16,086.66, 22,199.05 and 8,916.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.66 : 22,199.05 = 8,916.27 : x
2. Step 2: Convert to fraction form
   16,086.66/22,199.05 = 8,916.27/x
3. Step 3: Cross multiply
   16,086.66x = 22,199.05 × 8,916.27
4. Step 4: Simplify right side
   16,086.66x = 197,932,723.54
5. Step 5: Solve for x
   x = 197,932,723.54/16,086.66
6. Step 6: Final answer
   x = 12,304.15