Finding the Fourth Proportional to 1,067.10, 1,598.61 and 627.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.10 : 1,598.61 = 627.27 : x
2. Step 2: Convert to fraction form
   1,067.10/1,598.61 = 627.27/x
3. Step 3: Cross multiply
   1,067.10x = 1,598.61 × 627.27
4. Step 4: Simplify right side
   1,067.10x = 1,002,760.09
5. Step 5: Solve for x
   x = 1,002,760.09/1,067.10
6. Step 6: Final answer
   x = 939.71