Finding the Fourth Proportional to 8,155.57, 12,233.82 and 2,608.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,155.57 : 12,233.82 = 2,608.48 : x
2. Step 2: Convert to fraction form
   8,155.57/12,233.82 = 2,608.48/x
3. Step 3: Cross multiply
   8,155.57x = 12,233.82 × 2,608.48
4. Step 4: Simplify right side
   8,155.57x = 31,911,674.79
5. Step 5: Solve for x
   x = 31,911,674.79/8,155.57
6. Step 6: Final answer
   x = 3,912.87