Finding the Fourth Proportional to 16,105.76, 24,165.60 and 8,715.44

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.76 : 24,165.60 = 8,715.44 : x
2. Step 2: Convert to fraction form
   16,105.76/24,165.60 = 8,715.44/x
3. Step 3: Cross multiply
   16,105.76x = 24,165.60 × 8,715.44
4. Step 4: Simplify right side
   16,105.76x = 210,613,672.46
5. Step 5: Solve for x
   x = 210,613,672.46/16,105.76
6. Step 6: Final answer
   x = 13,076.92