Finding the Fourth Proportional to 8,279.50, 12,419.61 and 2,436.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,279.50 : 12,419.61 = 2,436.61 : x
2. Step 2: Convert to fraction form
   8,279.50/12,419.61 = 2,436.61/x
3. Step 3: Cross multiply
   8,279.50x = 12,419.61 × 2,436.61
4. Step 4: Simplify right side
   8,279.50x = 30,261,745.92
5. Step 5: Solve for x
   x = 30,261,745.92/8,279.50
6. Step 6: Final answer
   x = 3,655.02