Finding the Fourth Proportional to 16,281.30, 22,465.83 and 9,111.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,281.30 : 22,465.83 = 9,111.18 : x
2. Step 2: Convert to fraction form
   16,281.30/22,465.83 = 9,111.18/x
3. Step 3: Cross multiply
   16,281.30x = 22,465.83 × 9,111.18
4. Step 4: Simplify right side
   16,281.30x = 204,690,220.98
5. Step 5: Solve for x
   x = 204,690,220.98/16,281.30
6. Step 6: Final answer
   x = 12,572.11