Finding the Fourth Proportional to 9,839.52, 13,578.36 and 5,363.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,839.52 : 13,578.36 = 5,363.24 : x
2. Step 2: Convert to fraction form
   9,839.52/13,578.36 = 5,363.24/x
3. Step 3: Cross multiply
   9,839.52x = 13,578.36 × 5,363.24
4. Step 4: Simplify right side
   9,839.52x = 72,824,003.49
5. Step 5: Solve for x
   x = 72,824,003.49/9,839.52
6. Step 6: Final answer
   x = 7,401.17