Finding the Fourth Proportional to 2,257.55, 3,112.51 and 1,879.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.55 : 3,112.51 = 1,879.41 : x
2. Step 2: Convert to fraction form
   2,257.55/3,112.51 = 1,879.41/x
3. Step 3: Cross multiply
   2,257.55x = 3,112.51 × 1,879.41
4. Step 4: Simplify right side
   2,257.55x = 5,849,673.02
5. Step 5: Solve for x
   x = 5,849,673.02/2,257.55
6. Step 6: Final answer
   x = 2,591.17