Finding the Fourth Proportional to 2,568.78, 3,544.05 and 2,095.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.78 : 3,544.05 = 2,095.86 : x
2. Step 2: Convert to fraction form
   2,568.78/3,544.05 = 2,095.86/x
3. Step 3: Cross multiply
   2,568.78x = 3,544.05 × 2,095.86
4. Step 4: Simplify right side
   2,568.78x = 7,427,832.63
5. Step 5: Solve for x
   x = 7,427,832.63/2,568.78
6. Step 6: Final answer
   x = 2,891.58