Finding the Fourth Proportional to 1,151.25, 1,588.76 and 627.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.25 : 1,588.76 = 627.32 : x
2. Step 2: Convert to fraction form
   1,151.25/1,588.76 = 627.32/x
3. Step 3: Cross multiply
   1,151.25x = 1,588.76 × 627.32
4. Step 4: Simplify right side
   1,151.25x = 996,654.55
5. Step 5: Solve for x
   x = 996,654.55/1,151.25
6. Step 6: Final answer
   x = 865.72