Finding the Fourth Proportional to 2,567.93, 3,851.87 and 719.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.93 : 3,851.87 = 719.15 : x
2. Step 2: Convert to fraction form
   2,567.93/3,851.87 = 719.15/x
3. Step 3: Cross multiply
   2,567.93x = 3,851.87 × 719.15
4. Step 4: Simplify right side
   2,567.93x = 2,770,072.31
5. Step 5: Solve for x
   x = 2,770,072.31/2,567.93
6. Step 6: Final answer
   x = 1,078.72