Finding the Fourth Proportional to 1,092.75, 1,508.00 and 627.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.75 : 1,508.00 = 627.15 : x
2. Step 2: Convert to fraction form
   1,092.75/1,508.00 = 627.15/x
3. Step 3: Cross multiply
   1,092.75x = 1,508.00 × 627.15
4. Step 4: Simplify right side
   1,092.75x = 945,739.06
5. Step 5: Solve for x
   x = 945,739.06/1,092.75
6. Step 6: Final answer
   x = 865.47