Finding the Fourth Proportional to 2,568.78, 3,826.89 and 2,444.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.78 : 3,826.89 = 2,444.94 : x
2. Step 2: Convert to fraction form
   2,568.78/3,826.89 = 2,444.94/x
3. Step 3: Cross multiply
   2,568.78x = 3,826.89 × 2,444.94
4. Step 4: Simplify right side
   2,568.78x = 9,356,516.44
5. Step 5: Solve for x
   x = 9,356,516.44/2,568.78
6. Step 6: Final answer
   x = 3,642.40