Finding the Fourth Proportional to 8,769.32, 12,104.34 and 5,413.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,769.32 : 12,104.34 = 5,413.16 : x
2. Step 2: Convert to fraction form
   8,769.32/12,104.34 = 5,413.16/x
3. Step 3: Cross multiply
   8,769.32x = 12,104.34 × 5,413.16
4. Step 4: Simplify right side
   8,769.32x = 65,522,729.11
5. Step 5: Solve for x
   x = 65,522,729.11/8,769.32
6. Step 6: Final answer
   x = 7,471.81