Finding the Fourth Proportional to 8,091.83, 12,134.31 and 3,413.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,091.83 : 12,134.31 = 3,413.93 : x
2. Step 2: Convert to fraction form
   8,091.83/12,134.31 = 3,413.93/x
3. Step 3: Cross multiply
   8,091.83x = 12,134.31 × 3,413.93
4. Step 4: Simplify right side
   8,091.83x = 41,425,684.94
5. Step 5: Solve for x
   x = 41,425,684.94/8,091.83
6. Step 6: Final answer
   x = 5,119.45