Finding the Fourth Proportional to 2,018.38, 3,027.60 and 1,329.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.38 : 3,027.60 = 1,329.46 : x
2. Step 2: Convert to fraction form
   2,018.38/3,027.60 = 1,329.46/x
3. Step 3: Cross multiply
   2,018.38x = 3,027.60 × 1,329.46
4. Step 4: Simplify right side
   2,018.38x = 4,025,073.10
5. Step 5: Solve for x
   x = 4,025,073.10/2,018.38
6. Step 6: Final answer
   x = 1,994.21