Finding the Fourth Proportional to 16,085.50, 22,198.06 and 8,915.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.50 : 22,198.06 = 8,915.74 : x
2. Step 2: Convert to fraction form
   16,085.50/22,198.06 = 8,915.74/x
3. Step 3: Cross multiply
   16,085.50x = 22,198.06 × 8,915.74
4. Step 4: Simplify right side
   16,085.50x = 197,912,131.46
5. Step 5: Solve for x
   x = 197,912,131.46/16,085.50
6. Step 6: Final answer
   x = 12,303.76