Finding the Fourth Proportional to 2,557.59, 3,836.47 and 708.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.59 : 3,836.47 = 708.73 : x
2. Step 2: Convert to fraction form
   2,557.59/3,836.47 = 708.73/x
3. Step 3: Cross multiply
   2,557.59x = 3,836.47 × 708.73
4. Step 4: Simplify right side
   2,557.59x = 2,719,010.02
5. Step 5: Solve for x
   x = 2,719,010.02/2,557.59
6. Step 6: Final answer
   x = 1,063.11