Finding the Fourth Proportional to 10,413.38, 15,613.59 and 4,864.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,413.38 : 15,613.59 = 4,864.34 : x
2. Step 2: Convert to fraction form
   10,413.38/15,613.59 = 4,864.34/x
3. Step 3: Cross multiply
   10,413.38x = 15,613.59 × 4,864.34
4. Step 4: Simplify right side
   10,413.38x = 75,949,810.38
5. Step 5: Solve for x
   x = 75,949,810.38/10,413.38
6. Step 6: Final answer
   x = 7,293.48