Finding the Fourth Proportional to 2,719.72, 3,753.42 and 1,540.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.72 : 3,753.42 = 1,540.76 : x
2. Step 2: Convert to fraction form
   2,719.72/3,753.42 = 1,540.76/x
3. Step 3: Cross multiply
   2,719.72x = 3,753.42 × 1,540.76
4. Step 4: Simplify right side
   2,719.72x = 5,783,119.40
5. Step 5: Solve for x
   x = 5,783,119.40/2,719.72
6. Step 6: Final answer
   x = 2,126.37