Finding the Fourth Proportional to 1,862.15, 2,791.53 and 708.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862.15 : 2,791.53 = 708.71 : x
2. Step 2: Convert to fraction form
   1,862.15/2,791.53 = 708.71/x
3. Step 3: Cross multiply
   1,862.15x = 2,791.53 × 708.71
4. Step 4: Simplify right side
   1,862.15x = 1,978,371.27
5. Step 5: Solve for x
   x = 1,978,371.27/1,862.15
6. Step 6: Final answer
   x = 1,062.42