Finding the Fourth Proportional to 2,719.35, 3,752.55 and 1,540.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.35 : 3,752.55 = 1,540.39 : x
2. Step 2: Convert to fraction form
   2,719.35/3,752.55 = 1,540.39/x
3. Step 3: Cross multiply
   2,719.35x = 3,752.55 × 1,540.39
4. Step 4: Simplify right side
   2,719.35x = 5,780,403.73
5. Step 5: Solve for x
   x = 5,780,403.73/2,719.35
6. Step 6: Final answer
   x = 2,125.66