Finding the Fourth Proportional to 16,086.17, 22,198.88 and 9,012.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.17 : 22,198.88 = 9,012.63 : x
2. Step 2: Convert to fraction form
   16,086.17/22,198.88 = 9,012.63/x
3. Step 3: Cross multiply
   16,086.17x = 22,198.88 × 9,012.63
4. Step 4: Simplify right side
   16,086.17x = 200,070,246.79
5. Step 5: Solve for x
   x = 200,070,246.79/16,086.17
6. Step 6: Final answer
   x = 12,437.41