Finding the Fourth Proportional to 3,661.88, 5,052.78 and 2,068.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.88 : 5,052.78 = 2,068.61 : x
2. Step 2: Convert to fraction form
   3,661.88/5,052.78 = 2,068.61/x
3. Step 3: Cross multiply
   3,661.88x = 5,052.78 × 2,068.61
4. Step 4: Simplify right side
   3,661.88x = 10,452,205.97
5. Step 5: Solve for x
   x = 10,452,205.97/3,661.88
6. Step 6: Final answer
   x = 2,854.33