Finding the Fourth Proportional to 16,308.38, 22,505.50 and 8,856.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,308.38 : 22,505.50 = 8,856.38 : x
2. Step 2: Convert to fraction form
   16,308.38/22,505.50 = 8,856.38/x
3. Step 3: Cross multiply
   16,308.38x = 22,505.50 × 8,856.38
4. Step 4: Simplify right side
   16,308.38x = 199,317,260.09
5. Step 5: Solve for x
   x = 199,317,260.09/16,308.38
6. Step 6: Final answer
   x = 12,221.77