Finding the Fourth Proportional to 1,151.25, 1,588.74 and 627.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.25 : 1,588.74 = 627.27 : x
2. Step 2: Convert to fraction form
   1,151.25/1,588.74 = 627.27/x
3. Step 3: Cross multiply
   1,151.25x = 1,588.74 × 627.27
4. Step 4: Simplify right side
   1,151.25x = 996,568.94
5. Step 5: Solve for x
   x = 996,568.94/1,151.25
6. Step 6: Final answer
   x = 865.64