Finding the Fourth Proportional to 16,269.72, 22,452.30 and 8,817.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,269.72 : 22,452.30 = 8,817.72 : x
2. Step 2: Convert to fraction form
   16,269.72/22,452.30 = 8,817.72/x
3. Step 3: Cross multiply
   16,269.72x = 22,452.30 × 8,817.72
4. Step 4: Simplify right side
   16,269.72x = 197,978,094.76
5. Step 5: Solve for x
   x = 197,978,094.76/16,269.72
6. Step 6: Final answer
   x = 12,168.50