Finding the Fourth Proportional to 10,413.76, 15,623.38 and 3,840.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,413.76 : 15,623.38 = 3,840.01 : x
2. Step 2: Convert to fraction form
   10,413.76/15,623.38 = 3,840.01/x
3. Step 3: Cross multiply
   10,413.76x = 15,623.38 × 3,840.01
4. Step 4: Simplify right side
   10,413.76x = 59,993,935.43
5. Step 5: Solve for x
   x = 59,993,935.43/10,413.76
6. Step 6: Final answer
   x = 5,761.03