Finding the Fourth Proportional to 16,367.50, 22,587.15 and 8,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,367.50 : 22,587.15 = 8,915.50 : x
2. Step 2: Convert to fraction form
   16,367.50/22,587.15 = 8,915.50/x
3. Step 3: Cross multiply
   16,367.50x = 22,587.15 × 8,915.50
4. Step 4: Simplify right side
   16,367.50x = 201,375,735.83
5. Step 5: Solve for x
   x = 201,375,735.83/16,367.50
6. Step 6: Final answer
   x = 12,303.39