Finding the Fourth Proportional to 9,663.09, 13,332.03 and 5,413.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,663.09 : 13,332.03 = 5,413.57 : x
2. Step 2: Convert to fraction form
   9,663.09/13,332.03 = 5,413.57/x
3. Step 3: Cross multiply
   9,663.09x = 13,332.03 × 5,413.57
4. Step 4: Simplify right side
   9,663.09x = 72,173,877.65
5. Step 5: Solve for x
   x = 72,173,877.65/9,663.09
6. Step 6: Final answer
   x = 7,469.03