Finding the Fourth Proportional to 16,086.92, 22,200.82 and 8,916.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.92 : 22,200.82 = 8,916.68 : x
2. Step 2: Convert to fraction form
   16,086.92/22,200.82 = 8,916.68/x
3. Step 3: Cross multiply
   16,086.92x = 22,200.82 × 8,916.68
4. Step 4: Simplify right side
   16,086.92x = 197,957,640.89
5. Step 5: Solve for x
   x = 197,957,640.89/16,086.92
6. Step 6: Final answer
   x = 12,305.51