Finding the Fourth Proportional to 16,030.72, 22,122.35 and 8,957.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,030.72 : 22,122.35 = 8,957.15 : x
2. Step 2: Convert to fraction form
   16,030.72/22,122.35 = 8,957.15/x
3. Step 3: Cross multiply
   16,030.72x = 22,122.35 × 8,957.15
4. Step 4: Simplify right side
   16,030.72x = 198,153,235.12
5. Step 5: Solve for x
   x = 198,153,235.12/16,030.72
6. Step 6: Final answer
   x = 12,360.84