Finding the Fourth Proportional to 2,719.05, 3,752.36 and 1,540.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.05 : 3,752.36 = 1,540.12 : x
2. Step 2: Convert to fraction form
   2,719.05/3,752.36 = 1,540.12/x
3. Step 3: Cross multiply
   2,719.05x = 3,752.36 × 1,540.12
4. Step 4: Simplify right side
   2,719.05x = 5,779,079.15
5. Step 5: Solve for x
   x = 5,779,079.15/2,719.05
6. Step 6: Final answer
   x = 2,125.41