Finding the Fourth Proportional to 2,559.56, 3,839.16 and 710.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.56 : 3,839.16 = 710.69 : x
2. Step 2: Convert to fraction form
   2,559.56/3,839.16 = 710.69/x
3. Step 3: Cross multiply
   2,559.56x = 3,839.16 × 710.69
4. Step 4: Simplify right side
   2,559.56x = 2,728,450.49
5. Step 5: Solve for x
   x = 2,728,450.49/2,559.56
6. Step 6: Final answer
   x = 1,065.98