Finding the Fourth Proportional to 1,151.46, 1,588.98 and 627.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.46 : 1,588.98 = 627.48 : x
2. Step 2: Convert to fraction form
   1,151.46/1,588.98 = 627.48/x
3. Step 3: Cross multiply
   1,151.46x = 1,588.98 × 627.48
4. Step 4: Simplify right side
   1,151.46x = 997,053.17
5. Step 5: Solve for x
   x = 997,053.17/1,151.46
6. Step 6: Final answer
   x = 865.90