Finding the Fourth Proportional to 16,053.72, 22,155.12 and 8,980.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,053.72 : 22,155.12 = 8,980.62 : x
2. Step 2: Convert to fraction form
   16,053.72/22,155.12 = 8,980.62/x
3. Step 3: Cross multiply
   16,053.72x = 22,155.12 × 8,980.62
4. Step 4: Simplify right side
   16,053.72x = 198,966,713.77
5. Step 5: Solve for x
   x = 198,966,713.77/16,053.72
6. Step 6: Final answer
   x = 12,393.81