Finding the Fourth Proportional to 2,540.86, 3,794.12 and 2,079.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.86 : 3,794.12 = 2,079.54 : x
2. Step 2: Convert to fraction form
   2,540.86/3,794.12 = 2,079.54/x
3. Step 3: Cross multiply
   2,540.86x = 3,794.12 × 2,079.54
4. Step 4: Simplify right side
   2,540.86x = 7,890,024.30
5. Step 5: Solve for x
   x = 7,890,024.30/2,540.86
6. Step 6: Final answer
   x = 3,105.26