Finding the Fourth Proportional to 2,559.73, 3,839.15 and 710.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.73 : 3,839.15 = 710.34 : x
2. Step 2: Convert to fraction form
   2,559.73/3,839.15 = 710.34/x
3. Step 3: Cross multiply
   2,559.73x = 3,839.15 × 710.34
4. Step 4: Simplify right side
   2,559.73x = 2,727,117.59
5. Step 5: Solve for x
   x = 2,727,117.59/2,559.73
6. Step 6: Final answer
   x = 1,065.39