Finding the Fourth Proportional to 16,419.50, 22,658.91 and 8,967.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,419.50 : 22,658.91 = 8,967.50 : x
2. Step 2: Convert to fraction form
   16,419.50/22,658.91 = 8,967.50/x
3. Step 3: Cross multiply
   16,419.50x = 22,658.91 × 8,967.50
4. Step 4: Simplify right side
   16,419.50x = 203,193,775.43
5. Step 5: Solve for x
   x = 203,193,775.43/16,419.50
6. Step 6: Final answer
   x = 12,375.15