Finding the Fourth Proportional to 16,156.13, 22,295.31 and 8,986.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,156.13 : 22,295.31 = 8,986.10 : x
2. Step 2: Convert to fraction form
   16,156.13/22,295.31 = 8,986.10/x
3. Step 3: Cross multiply
   16,156.13x = 22,295.31 × 8,986.10
4. Step 4: Simplify right side
   16,156.13x = 200,347,773.71
5. Step 5: Solve for x
   x = 200,347,773.71/16,156.13
6. Step 6: Final answer
   x = 12,400.73