Finding the Fourth Proportional to 9,662.59, 13,334.76 and 5,413.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.59 : 13,334.76 = 5,413.69 : x
2. Step 2: Convert to fraction form
   9,662.59/13,334.76 = 5,413.69/x
3. Step 3: Cross multiply
   9,662.59x = 13,334.76 × 5,413.69
4. Step 4: Simplify right side
   9,662.59x = 72,190,243.58
5. Step 5: Solve for x
   x = 72,190,243.58/9,662.59
6. Step 6: Final answer
   x = 7,471.11