Finding the Fourth Proportional to 10,413.74, 15,622.86 and 3,839.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,413.74 : 15,622.86 = 3,839.96 : x
2. Step 2: Convert to fraction form
   10,413.74/15,622.86 = 3,839.96/x
3. Step 3: Cross multiply
   10,413.74x = 15,622.86 × 3,839.96
4. Step 4: Simplify right side
   10,413.74x = 59,991,157.49
5. Step 5: Solve for x
   x = 59,991,157.49/10,413.74
6. Step 6: Final answer
   x = 5,760.77