Finding the Fourth Proportional to 1,151.10, 1,588.56 and 627.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.10 : 1,588.56 = 627.14 : x
2. Step 2: Convert to fraction form
   1,151.10/1,588.56 = 627.14/x
3. Step 3: Cross multiply
   1,151.10x = 1,588.56 × 627.14
4. Step 4: Simplify right side
   1,151.10x = 996,249.52
5. Step 5: Solve for x
   x = 996,249.52/1,151.10
6. Step 6: Final answer
   x = 865.48