Finding the Fourth Proportional to 2,581.02, 3,870.18 and 1,345.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.02 : 3,870.18 = 1,345.41 : x
2. Step 2: Convert to fraction form
   2,581.02/3,870.18 = 1,345.41/x
3. Step 3: Cross multiply
   2,581.02x = 3,870.18 × 1,345.41
4. Step 4: Simplify right side
   2,581.02x = 5,206,978.87
5. Step 5: Solve for x
   x = 5,206,978.87/2,581.02
6. Step 6: Final answer
   x = 2,017.41