Finding the Fourth Proportional to 16,059.69, 22,162.43 and 8,986.11

Step by Step Solution

1. Step 1: Write the proportion equation
   16,059.69 : 22,162.43 = 8,986.11 : x
2. Step 2: Convert to fraction form
   16,059.69/22,162.43 = 8,986.11/x
3. Step 3: Cross multiply
   16,059.69x = 22,162.43 × 8,986.11
4. Step 4: Simplify right side
   16,059.69x = 199,154,033.85
5. Step 5: Solve for x
   x = 199,154,033.85/16,059.69
6. Step 6: Final answer
   x = 12,400.86