Finding the Fourth Proportional to 16,053.09, 22,153.10 and 8,979.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,053.09 : 22,153.10 = 8,979.57 : x
2. Step 2: Convert to fraction form
   16,053.09/22,153.10 = 8,979.57/x
3. Step 3: Cross multiply
   16,053.09x = 22,153.10 × 8,979.57
4. Step 4: Simplify right side
   16,053.09x = 198,925,267.27
5. Step 5: Solve for x
   x = 198,925,267.27/16,053.09
6. Step 6: Final answer
   x = 12,391.71