Finding the Fourth Proportional to 2,719.41, 3,752.78 and 1,540.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.41 : 3,752.78 = 1,540.55 : x
2. Step 2: Convert to fraction form
   2,719.41/3,752.78 = 1,540.55/x
3. Step 3: Cross multiply
   2,719.41x = 3,752.78 × 1,540.55
4. Step 4: Simplify right side
   2,719.41x = 5,781,355.57
5. Step 5: Solve for x
   x = 5,781,355.57/2,719.41
6. Step 6: Final answer
   x = 2,125.96