Finding the Fourth Proportional to 9,605.44, 13,255.91 and 5,413.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605.44 : 13,255.91 = 5,413.69 : x
2. Step 2: Convert to fraction form
   9,605.44/13,255.91 = 5,413.69/x
3. Step 3: Cross multiply
   9,605.44x = 13,255.91 × 5,413.69
4. Step 4: Simplify right side
   9,605.44x = 71,763,347.50
5. Step 5: Solve for x
   x = 71,763,347.50/9,605.44
6. Step 6: Final answer
   x = 7,471.12