Finding the Fourth Proportional to 16,062.30, 22,167.54 and 8,989.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,062.30 : 22,167.54 = 8,989.92 : x
2. Step 2: Convert to fraction form
   16,062.30/22,167.54 = 8,989.92/x
3. Step 3: Cross multiply
   16,062.30x = 22,167.54 × 8,989.92
4. Step 4: Simplify right side
   16,062.30x = 199,284,411.20
5. Step 5: Solve for x
   x = 199,284,411.20/16,062.30
6. Step 6: Final answer
   x = 12,406.97