Finding the Fourth Proportional to 2,567.91, 3,851.56 and 719.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.91 : 3,851.56 = 719.16 : x
2. Step 2: Convert to fraction form
   2,567.91/3,851.56 = 719.16/x
3. Step 3: Cross multiply
   2,567.91x = 3,851.56 × 719.16
4. Step 4: Simplify right side
   2,567.91x = 2,769,887.89
5. Step 5: Solve for x
   x = 2,769,887.89/2,567.91
6. Step 6: Final answer
   x = 1,078.65