Finding the Fourth Proportional to 6,413.96, 8,851.30 and 3,761.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,413.96 : 8,851.30 = 3,761.42 : x
2. Step 2: Convert to fraction form
   6,413.96/8,851.30 = 3,761.42/x
3. Step 3: Cross multiply
   6,413.96x = 8,851.30 × 3,761.42
4. Step 4: Simplify right side
   6,413.96x = 33,293,456.85
5. Step 5: Solve for x
   x = 33,293,456.85/6,413.96
6. Step 6: Final answer
   x = 5,190.78