Finding the Fourth Proportional to 8,091.33, 12,133.56 and 3,413.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,091.33 : 12,133.56 = 3,413.43 : x
2. Step 2: Convert to fraction form
   8,091.33/12,133.56 = 3,413.43/x
3. Step 3: Cross multiply
   8,091.33x = 12,133.56 × 3,413.43
4. Step 4: Simplify right side
   8,091.33x = 41,417,057.71
5. Step 5: Solve for x
   x = 41,417,057.71/8,091.33
6. Step 6: Final answer
   x = 5,118.70