Finding the Fourth Proportional to 6,413.56, 9,598.62 and 3,949.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,413.56 : 9,598.62 = 3,949.96 : x
2. Step 2: Convert to fraction form
   6,413.56/9,598.62 = 3,949.96/x
3. Step 3: Cross multiply
   6,413.56x = 9,598.62 × 3,949.96
4. Step 4: Simplify right side
   6,413.56x = 37,914,165.06
5. Step 5: Solve for x
   x = 37,914,165.06/6,413.56
6. Step 6: Final answer
   x = 5,911.56