Finding the Fourth Proportional to 2,559.49, 3,838.81 and 710.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.49 : 3,838.81 = 710.79 : x
2. Step 2: Convert to fraction form
   2,559.49/3,838.81 = 710.79/x
3. Step 3: Cross multiply
   2,559.49x = 3,838.81 × 710.79
4. Step 4: Simplify right side
   2,559.49x = 2,728,595.31
5. Step 5: Solve for x
   x = 2,728,595.31/2,559.49
6. Step 6: Final answer
   x = 1,066.07