Finding the Fourth Proportional to 2,018.19, 3,028.46 and 848.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.19 : 3,028.46 = 848.10 : x
2. Step 2: Convert to fraction form
   2,018.19/3,028.46 = 848.10/x
3. Step 3: Cross multiply
   2,018.19x = 3,028.46 × 848.10
4. Step 4: Simplify right side
   2,018.19x = 2,568,432.69
5. Step 5: Solve for x
   x = 2,568,432.69/2,018.19
6. Step 6: Final answer
   x = 1,272.64