Finding the Fourth Proportional to 2,759.85, 3,811.55 and 2,696.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,759.85 : 3,811.55 = 2,696.30 : x
2. Step 2: Convert to fraction form
   2,759.85/3,811.55 = 2,696.30/x
3. Step 3: Cross multiply
   2,759.85x = 3,811.55 × 2,696.30
4. Step 4: Simplify right side
   2,759.85x = 10,277,049.73
5. Step 5: Solve for x
   x = 10,277,049.73/2,759.85
6. Step 6: Final answer
   x = 3,723.77