Finding the Fourth Proportional to 2,719.88, 3,753.58 and 1,540.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.88 : 3,753.58 = 1,540.98 : x
2. Step 2: Convert to fraction form
   2,719.88/3,753.58 = 1,540.98/x
3. Step 3: Cross multiply
   2,719.88x = 3,753.58 × 1,540.98
4. Step 4: Simplify right side
   2,719.88x = 5,784,191.71
5. Step 5: Solve for x
   x = 5,784,191.71/2,719.88
6. Step 6: Final answer
   x = 2,126.63