Finding the Fourth Proportional to 2,581.12, 3,870.33 and 1,348.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.12 : 3,870.33 = 1,348.17 : x
2. Step 2: Convert to fraction form
   2,581.12/3,870.33 = 1,348.17/x
3. Step 3: Cross multiply
   2,581.12x = 3,870.33 × 1,348.17
4. Step 4: Simplify right side
   2,581.12x = 5,217,862.80
5. Step 5: Solve for x
   x = 5,217,862.80/2,581.12
6. Step 6: Final answer
   x = 2,021.55