Finding the Fourth Proportional to 2,480.86, 3,721.86 and 2,042.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.86 : 3,721.86 = 2,042.80 : x
2. Step 2: Convert to fraction form
   2,480.86/3,721.86 = 2,042.80/x
3. Step 3: Cross multiply
   2,480.86x = 3,721.86 × 2,042.80
4. Step 4: Simplify right side
   2,480.86x = 7,603,015.61
5. Step 5: Solve for x
   x = 7,603,015.61/2,480.86
6. Step 6: Final answer
   x = 3,064.67