Finding the Fourth Proportional to 2,018.27, 3,025.21 and 848.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.27 : 3,025.21 = 848.91 : x
2. Step 2: Convert to fraction form
   2,018.27/3,025.21 = 848.91/x
3. Step 3: Cross multiply
   2,018.27x = 3,025.21 × 848.91
4. Step 4: Simplify right side
   2,018.27x = 2,568,131.02
5. Step 5: Solve for x
   x = 2,568,131.02/2,018.27
6. Step 6: Final answer
   x = 1,272.44