Finding the Fourth Proportional to 1,022.04, 1,529.48 and 708.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022.04 : 1,529.48 = 708.18 : x
2. Step 2: Convert to fraction form
   1,022.04/1,529.48 = 708.18/x
3. Step 3: Cross multiply
   1,022.04x = 1,529.48 × 708.18
4. Step 4: Simplify right side
   1,022.04x = 1,083,143.61
5. Step 5: Solve for x
   x = 1,083,143.61/1,022.04
6. Step 6: Final answer
   x = 1,059.79