Finding the Fourth Proportional to 9,413.28, 14,112.89 and 5,664.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,413.28 : 14,112.89 = 5,664.18 : x
2. Step 2: Convert to fraction form
   9,413.28/14,112.89 = 5,664.18/x
3. Step 3: Cross multiply
   9,413.28x = 14,112.89 × 5,664.18
4. Step 4: Simplify right side
   9,413.28x = 79,937,949.28
5. Step 5: Solve for x
   x = 79,937,949.28/9,413.28
6. Step 6: Final answer
   x = 8,492.04