Finding the Fourth Proportional to 1,993.38, 2,989.04 and 676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.38 : 2,989.04 = 676.72 : x
2. Step 2: Convert to fraction form
   1,993.38/2,989.04 = 676.72/x
3. Step 3: Cross multiply
   1,993.38x = 2,989.04 × 676.72
4. Step 4: Simplify right side
   1,993.38x = 2,022,743.15
5. Step 5: Solve for x
   x = 2,022,743.15/1,993.38
6. Step 6: Final answer
   x = 1,014.73