Finding the Fourth Proportional to 9,839.46, 13,578.38 and 5,363.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,839.46 : 13,578.38 = 5,363.19 : x
2. Step 2: Convert to fraction form
   9,839.46/13,578.38 = 5,363.19/x
3. Step 3: Cross multiply
   9,839.46x = 13,578.38 × 5,363.19
4. Step 4: Simplify right side
   9,839.46x = 72,823,438.96
5. Step 5: Solve for x
   x = 72,823,438.96/9,839.46
6. Step 6: Final answer
   x = 7,401.17