Finding the Fourth Proportional to 9,940.41, 13,717.89 and 5,463.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.41 : 13,717.89 = 5,463.99 : x
2. Step 2: Convert to fraction form
   9,940.41/13,717.89 = 5,463.99/x
3. Step 3: Cross multiply
   9,940.41x = 13,717.89 × 5,463.99
4. Step 4: Simplify right side
   9,940.41x = 74,954,413.78
5. Step 5: Solve for x
   x = 74,954,413.78/9,940.41
6. Step 6: Final answer
   x = 7,540.37