Finding the Fourth Proportional to 1,085.43, 1,626.17 and 968.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.43 : 1,626.17 = 968.73 : x
2. Step 2: Convert to fraction form
   1,085.43/1,626.17 = 968.73/x
3. Step 3: Cross multiply
   1,085.43x = 1,626.17 × 968.73
4. Step 4: Simplify right side
   1,085.43x = 1,575,308.72
5. Step 5: Solve for x
   x = 1,575,308.72/1,085.43
6. Step 6: Final answer
   x = 1,451.32