Finding the Fourth Proportional to 2,740.57, 4,109.39 and 1,423

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.57 : 4,109.39 = 1,423 : x
2. Step 2: Convert to fraction form
   2,740.57/4,109.39 = 1,423/x
3. Step 3: Cross multiply
   2,740.57x = 4,109.39 × 1,423
4. Step 4: Simplify right side
   2,740.57x = 5,847,661.97
5. Step 5: Solve for x
   x = 5,847,661.97/2,740.57
6. Step 6: Final answer
   x = 2,133.74