Finding the Fourth Proportional to 16,086.56, 22,198.62 and 8,917.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.56 : 22,198.62 = 8,917.04 : x
2. Step 2: Convert to fraction form
   16,086.56/22,198.62 = 8,917.04/x
3. Step 3: Cross multiply
   16,086.56x = 22,198.62 × 8,917.04
4. Step 4: Simplify right side
   16,086.56x = 197,945,982.48
5. Step 5: Solve for x
   x = 197,945,982.48/16,086.56
6. Step 6: Final answer
   x = 12,305.05