Finding the Fourth Proportional to 2,567.45, 3,850.61 and 718.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.45 : 3,850.61 = 718.07 : x
2. Step 2: Convert to fraction form
   2,567.45/3,850.61 = 718.07/x
3. Step 3: Cross multiply
   2,567.45x = 3,850.61 × 718.07
4. Step 4: Simplify right side
   2,567.45x = 2,765,018.94
5. Step 5: Solve for x
   x = 2,765,018.94/2,567.45
6. Step 6: Final answer
   x = 1,076.95