Finding the Fourth Proportional to 2,695.75, 4,040.55 and 1,310.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,695.75 : 4,040.55 = 1,310.42 : x
2. Step 2: Convert to fraction form
   2,695.75/4,040.55 = 1,310.42/x
3. Step 3: Cross multiply
   2,695.75x = 4,040.55 × 1,310.42
4. Step 4: Simplify right side
   2,695.75x = 5,294,817.53
5. Step 5: Solve for x
   x = 5,294,817.53/2,695.75
6. Step 6: Final answer
   x = 1,964.14