Finding the Fourth Proportional to 2,719.43, 3,752.82 and 1,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.43 : 3,752.82 = 1,540.50 : x
2. Step 2: Convert to fraction form
   2,719.43/3,752.82 = 1,540.50/x
3. Step 3: Cross multiply
   2,719.43x = 3,752.82 × 1,540.50
4. Step 4: Simplify right side
   2,719.43x = 5,781,233.28
5. Step 5: Solve for x
   x = 5,781,233.28/2,719.43
6. Step 6: Final answer
   x = 2,125.90