Finding the Fourth Proportional to 16,245.72, 22,419.24 and 8,793.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,245.72 : 22,419.24 = 8,793.72 : x
2. Step 2: Convert to fraction form
   16,245.72/22,419.24 = 8,793.72/x
3. Step 3: Cross multiply
   16,245.72x = 22,419.24 × 8,793.72
4. Step 4: Simplify right side
   16,245.72x = 197,148,519.17
5. Step 5: Solve for x
   x = 197,148,519.17/16,245.72
6. Step 6: Final answer
   x = 12,135.41