Finding the Fourth Proportional to 16,155.25, 22,295.59 and 8,985.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,155.25 : 22,295.59 = 8,985.87 : x
2. Step 2: Convert to fraction form
   16,155.25/22,295.59 = 8,985.87/x
3. Step 3: Cross multiply
   16,155.25x = 22,295.59 × 8,985.87
4. Step 4: Simplify right side
   16,155.25x = 200,345,250.85
5. Step 5: Solve for x
   x = 200,345,250.85/16,155.25
6. Step 6: Final answer
   x = 12,401.25