Finding the Fourth Proportional to 8,770.24, 12,100.88 and 5,413.19

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.24 : 12,100.88 = 5,413.19 : x
2. Step 2: Convert to fraction form
   8,770.24/12,100.88 = 5,413.19/x
3. Step 3: Cross multiply
   8,770.24x = 12,100.88 × 5,413.19
4. Step 4: Simplify right side
   8,770.24x = 65,504,406.39
5. Step 5: Solve for x
   x = 65,504,406.39/8,770.24
6. Step 6: Final answer
   x = 7,468.94