Finding the Fourth Proportional to 11,413.43, 17,121.96 and 4,839.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,413.43 : 17,121.96 = 4,839.69 : x
2. Step 2: Convert to fraction form
   11,413.43/17,121.96 = 4,839.69/x
3. Step 3: Cross multiply
   11,413.43x = 17,121.96 × 4,839.69
4. Step 4: Simplify right side
   11,413.43x = 82,864,978.59
5. Step 5: Solve for x
   x = 82,864,978.59/11,413.43
6. Step 6: Final answer
   x = 7,260.31