Finding the Fourth Proportional to 16,003.65, 22,082.83 and 8,928.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,003.65 : 22,082.83 = 8,928.70 : x
2. Step 2: Convert to fraction form
   16,003.65/22,082.83 = 8,928.70/x
3. Step 3: Cross multiply
   16,003.65x = 22,082.83 × 8,928.70
4. Step 4: Simplify right side
   16,003.65x = 197,170,964.22
5. Step 5: Solve for x
   x = 197,170,964.22/16,003.65
6. Step 6: Final answer
   x = 12,320.37