Finding the Fourth Proportional to 2,567.89, 3,851.22 and 719.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.89 : 3,851.22 = 719.07 : x
2. Step 2: Convert to fraction form
   2,567.89/3,851.22 = 719.07/x
3. Step 3: Cross multiply
   2,567.89x = 3,851.22 × 719.07
4. Step 4: Simplify right side
   2,567.89x = 2,769,296.77
5. Step 5: Solve for x
   x = 2,769,296.77/2,567.89
6. Step 6: Final answer
   x = 1,078.43