Finding the Fourth Proportional to 11,610.18, 16,013.52 and 8,249.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,610.18 : 16,013.52 = 8,249.40 : x
2. Step 2: Convert to fraction form
   11,610.18/16,013.52 = 8,249.40/x
3. Step 3: Cross multiply
   11,610.18x = 16,013.52 × 8,249.40
4. Step 4: Simplify right side
   11,610.18x = 132,101,931.89
5. Step 5: Solve for x
   x = 132,101,931.89/11,610.18
6. Step 6: Final answer
   x = 11,378.11