Finding the Fourth Proportional to 9,604.86, 13,255.56 and 5,413.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,604.86 : 13,255.56 = 5,413.92 : x
2. Step 2: Convert to fraction form
   9,604.86/13,255.56 = 5,413.92/x
3. Step 3: Cross multiply
   9,604.86x = 13,255.56 × 5,413.92
4. Step 4: Simplify right side
   9,604.86x = 71,764,541.40
5. Step 5: Solve for x
   x = 71,764,541.40/9,604.86
6. Step 6: Final answer
   x = 7,471.69