Finding the Fourth Proportional to 2,568.42, 3,851.82 and 719.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.42 : 3,851.82 = 719.39 : x
2. Step 2: Convert to fraction form
   2,568.42/3,851.82 = 719.39/x
3. Step 3: Cross multiply
   2,568.42x = 3,851.82 × 719.39
4. Step 4: Simplify right side
   2,568.42x = 2,770,970.42
5. Step 5: Solve for x
   x = 2,770,970.42/2,568.42
6. Step 6: Final answer
   x = 1,078.86