Finding the Fourth Proportional to 16,271.50, 22,454.67 and 8,819.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,271.50 : 22,454.67 = 8,819.50 : x
2. Step 2: Convert to fraction form
   16,271.50/22,454.67 = 8,819.50/x
3. Step 3: Cross multiply
   16,271.50x = 22,454.67 × 8,819.50
4. Step 4: Simplify right side
   16,271.50x = 198,038,962.07
5. Step 5: Solve for x
   x = 198,038,962.07/16,271.50
6. Step 6: Final answer
   x = 12,170.91