Finding the Fourth Proportional to 9,839.32, 13,578.23 and 5,363.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,839.32 : 13,578.23 = 5,363.06 : x
2. Step 2: Convert to fraction form
   9,839.32/13,578.23 = 5,363.06/x
3. Step 3: Cross multiply
   9,839.32x = 13,578.23 × 5,363.06
4. Step 4: Simplify right side
   9,839.32x = 72,820,807.70
5. Step 5: Solve for x
   x = 72,820,807.70/9,839.32
6. Step 6: Final answer
   x = 7,401.00