Finding the Fourth Proportional to 16,471.86, 24,676.83 and 8,142.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,471.86 : 24,676.83 = 8,142.18 : x
2. Step 2: Convert to fraction form
   16,471.86/24,676.83 = 8,142.18/x
3. Step 3: Cross multiply
   16,471.86x = 24,676.83 × 8,142.18
4. Step 4: Simplify right side
   16,471.86x = 200,923,191.69
5. Step 5: Solve for x
   x = 200,923,191.69/16,471.86
6. Step 6: Final answer
   x = 12,197.97