Finding the Fourth Proportional to 2,540.54, 3,493.42 and 2,273.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.54 : 3,493.42 = 2,273.31 : x
2. Step 2: Convert to fraction form
   2,540.54/3,493.42 = 2,273.31/x
3. Step 3: Cross multiply
   2,540.54x = 3,493.42 × 2,273.31
4. Step 4: Simplify right side
   2,540.54x = 7,941,620.94
5. Step 5: Solve for x
   x = 7,941,620.94/2,540.54
6. Step 6: Final answer
   x = 3,125.95