Finding the Fourth Proportional to 16,002, 22,082.72 and 8,928

Step by Step Solution

1. Step 1: Write the proportion equation
   16,002 : 22,082.72 = 8,928 : x
2. Step 2: Convert to fraction form
   16,002/22,082.72 = 8,928/x
3. Step 3: Cross multiply
   16,002x = 22,082.72 × 8,928
4. Step 4: Simplify right side
   16,002x = 197,154,524.16
5. Step 5: Solve for x
   x = 197,154,524.16/16,002
6. Step 6: Final answer
   x = 12,320.62