Finding the Fourth Proportional to 16,086.85, 22,199.31 and 8,916.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.85 : 22,199.31 = 8,916.46 : x
2. Step 2: Convert to fraction form
   16,086.85/22,199.31 = 8,916.46/x
3. Step 3: Cross multiply
   16,086.85x = 22,199.31 × 8,916.46
4. Step 4: Simplify right side
   16,086.85x = 197,939,259.64
5. Step 5: Solve for x
   x = 197,939,259.64/16,086.85
6. Step 6: Final answer
   x = 12,304.41