Finding the Fourth Proportional to 2,719.39, 3,752.76 and 1,540.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.39 : 3,752.76 = 1,540.42 : x
2. Step 2: Convert to fraction form
   2,719.39/3,752.76 = 1,540.42/x
3. Step 3: Cross multiply
   2,719.39x = 3,752.76 × 1,540.42
4. Step 4: Simplify right side
   2,719.39x = 5,780,826.56
5. Step 5: Solve for x
   x = 5,780,826.56/2,719.39
6. Step 6: Final answer
   x = 2,125.78