Finding the Fourth Proportional to 1,789.93, 2,683.52 and 679.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.93 : 2,683.52 = 679.33 : x
2. Step 2: Convert to fraction form
   1,789.93/2,683.52 = 679.33/x
3. Step 3: Cross multiply
   1,789.93x = 2,683.52 × 679.33
4. Step 4: Simplify right side
   1,789.93x = 1,822,995.64
5. Step 5: Solve for x
   x = 1,822,995.64/1,789.93
6. Step 6: Final answer
   x = 1,018.47