Finding the Fourth Proportional to 9,839.32, 13,578.08 and 5,363.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,839.32 : 13,578.08 = 5,363.12 : x
2. Step 2: Convert to fraction form
   9,839.32/13,578.08 = 5,363.12/x
3. Step 3: Cross multiply
   9,839.32x = 13,578.08 × 5,363.12
4. Step 4: Simplify right side
   9,839.32x = 72,820,872.41
5. Step 5: Solve for x
   x = 72,820,872.41/9,839.32
6. Step 6: Final answer
   x = 7,401.01