Finding the Fourth Proportional to 3,013.25, 4,158.83 and 2,018.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,013.25 : 4,158.83 = 2,018.69 : x
2. Step 2: Convert to fraction form
   3,013.25/4,158.83 = 2,018.69/x
3. Step 3: Cross multiply
   3,013.25x = 4,158.83 × 2,018.69
4. Step 4: Simplify right side
   3,013.25x = 8,395,377.03
5. Step 5: Solve for x
   x = 8,395,377.03/3,013.25
6. Step 6: Final answer
   x = 2,786.15