Finding the Fourth Proportional to 16,156.69, 22,295.81 and 8,986.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,156.69 : 22,295.81 = 8,986.61 : x
2. Step 2: Convert to fraction form
   16,156.69/22,295.81 = 8,986.61/x
3. Step 3: Cross multiply
   16,156.69x = 22,295.81 × 8,986.61
4. Step 4: Simplify right side
   16,156.69x = 200,363,827.31
5. Step 5: Solve for x
   x = 200,363,827.31/16,156.69
6. Step 6: Final answer
   x = 12,401.29