Finding the Fourth Proportional to 16,002.16, 22,082.92 and 8,928.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,002.16 : 22,082.92 = 8,928.58 : x
2. Step 2: Convert to fraction form
   16,002.16/22,082.92 = 8,928.58/x
3. Step 3: Cross multiply
   16,002.16x = 22,082.92 × 8,928.58
4. Step 4: Simplify right side
   16,002.16x = 197,169,117.85
5. Step 5: Solve for x
   x = 197,169,117.85/16,002.16
6. Step 6: Final answer
   x = 12,321.41