Finding the Fourth Proportional to 10,808.46, 16,216.56 and 3,413.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,808.46 : 16,216.56 = 3,413.34 : x
2. Step 2: Convert to fraction form
   10,808.46/16,216.56 = 3,413.34/x
3. Step 3: Cross multiply
   10,808.46x = 16,216.56 × 3,413.34
4. Step 4: Simplify right side
   10,808.46x = 55,352,632.91
5. Step 5: Solve for x
   x = 55,352,632.91/10,808.46
6. Step 6: Final answer
   x = 5,121.23