Finding the Fourth Proportional to 1,151.32, 1,588.86 and 627.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.32 : 1,588.86 = 627.37 : x
2. Step 2: Convert to fraction form
   1,151.32/1,588.86 = 627.37/x
3. Step 3: Cross multiply
   1,151.32x = 1,588.86 × 627.37
4. Step 4: Simplify right side
   1,151.32x = 996,803.10
5. Step 5: Solve for x
   x = 996,803.10/1,151.32
6. Step 6: Final answer
   x = 865.79