Finding the Fourth Proportional to 16,974.48, 25,479 and 12,049.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,974.48 : 25,479 = 12,049.68 : x
2. Step 2: Convert to fraction form
   16,974.48/25,479 = 12,049.68/x
3. Step 3: Cross multiply
   16,974.48x = 25,479 × 12,049.68
4. Step 4: Simplify right side
   16,974.48x = 307,013,796.72
5. Step 5: Solve for x
   x = 307,013,796.72/16,974.48
6. Step 6: Final answer
   x = 18,086.79