Finding the Fourth Proportional to 2,018.39, 3,028.98 and 1,325.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.39 : 3,028.98 = 1,325.39 : x
2. Step 2: Convert to fraction form
   2,018.39/3,028.98 = 1,325.39/x
3. Step 3: Cross multiply
   2,018.39x = 3,028.98 × 1,325.39
4. Step 4: Simplify right side
   2,018.39x = 4,014,579.80
5. Step 5: Solve for x
   x = 4,014,579.80/2,018.39
6. Step 6: Final answer
   x = 1,989.00