Finding the Fourth Proportional to 1,148.25, 1,720.82 and 627.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148.25 : 1,720.82 = 627.47 : x
2. Step 2: Convert to fraction form
   1,148.25/1,720.82 = 627.47/x
3. Step 3: Cross multiply
   1,148.25x = 1,720.82 × 627.47
4. Step 4: Simplify right side
   1,148.25x = 1,079,755.89
5. Step 5: Solve for x
   x = 1,079,755.89/1,148.25
6. Step 6: Final answer
   x = 940.35