Finding the Fourth Proportional to 16,003.40, 22,082.49 and 8,928.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,003.40 : 22,082.49 = 8,928.45 : x
2. Step 2: Convert to fraction form
   16,003.40/22,082.49 = 8,928.45/x
3. Step 3: Cross multiply
   16,003.40x = 22,082.49 × 8,928.45
4. Step 4: Simplify right side
   16,003.40x = 197,162,407.84
5. Step 5: Solve for x
   x = 197,162,407.84/16,003.40
6. Step 6: Final answer
   x = 12,320.04