Finding the Fourth Proportional to 2,168.75, 3,253.17 and 708.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.75 : 3,253.17 = 708.05 : x
2. Step 2: Convert to fraction form
   2,168.75/3,253.17 = 708.05/x
3. Step 3: Cross multiply
   2,168.75x = 3,253.17 × 708.05
4. Step 4: Simplify right side
   2,168.75x = 2,303,407.02
5. Step 5: Solve for x
   x = 2,303,407.02/2,168.75
6. Step 6: Final answer
   x = 1,062.09