Finding the Fourth Proportional to 3,879.76, 5,355.90 and 2,483.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,879.76 : 5,355.90 = 2,483.32 : x
2. Step 2: Convert to fraction form
   3,879.76/5,355.90 = 2,483.32/x
3. Step 3: Cross multiply
   3,879.76x = 5,355.90 × 2,483.32
4. Step 4: Simplify right side
   3,879.76x = 13,300,413.59
5. Step 5: Solve for x
   x = 13,300,413.59/3,879.76
6. Step 6: Final answer
   x = 3,428.15