Finding the Fourth Proportional to 16,052.72, 22,152.71 and 8,979.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,052.72 : 22,152.71 = 8,979.13 : x
2. Step 2: Convert to fraction form
   16,052.72/22,152.71 = 8,979.13/x
3. Step 3: Cross multiply
   16,052.72x = 22,152.71 × 8,979.13
4. Step 4: Simplify right side
   16,052.72x = 198,912,030.01
5. Step 5: Solve for x
   x = 198,912,030.01/16,052.72
6. Step 6: Final answer
   x = 12,391.17