Finding the Fourth Proportional to 1,148.51, 1,723.24 and 627.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148.51 : 1,723.24 = 627.89 : x
2. Step 2: Convert to fraction form
   1,148.51/1,723.24 = 627.89/x
3. Step 3: Cross multiply
   1,148.51x = 1,723.24 × 627.89
4. Step 4: Simplify right side
   1,148.51x = 1,081,997.33
5. Step 5: Solve for x
   x = 1,081,997.33/1,148.51
6. Step 6: Final answer
   x = 942.09