Finding the Fourth Proportional to 2,568.45, 3,850.88 and 1,315.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.45 : 3,850.88 = 1,315.97 : x
2. Step 2: Convert to fraction form
   2,568.45/3,850.88 = 1,315.97/x
3. Step 3: Cross multiply
   2,568.45x = 3,850.88 × 1,315.97
4. Step 4: Simplify right side
   2,568.45x = 5,067,626.59
5. Step 5: Solve for x
   x = 5,067,626.59/2,568.45
6. Step 6: Final answer
   x = 1,973.03