Finding the Fourth Proportional to 16,086.40, 22,198.56 and 9,011.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.40 : 22,198.56 = 9,011.68 : x
2. Step 2: Convert to fraction form
   16,086.40/22,198.56 = 9,011.68/x
3. Step 3: Cross multiply
   16,086.40x = 22,198.56 × 9,011.68
4. Step 4: Simplify right side
   16,086.40x = 200,046,319.18
5. Step 5: Solve for x
   x = 200,046,319.18/16,086.40
6. Step 6: Final answer
   x = 12,435.74