Finding the Fourth Proportional to 2,018.65, 3,023.72 and 923.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.65 : 3,023.72 = 923.94 : x
2. Step 2: Convert to fraction form
   2,018.65/3,023.72 = 923.94/x
3. Step 3: Cross multiply
   2,018.65x = 3,023.72 × 923.94
4. Step 4: Simplify right side
   2,018.65x = 2,793,735.86
5. Step 5: Solve for x
   x = 2,793,735.86/2,018.65
6. Step 6: Final answer
   x = 1,383.96