Finding the Fourth Proportional to 9,839.40, 13,577.96 and 5,363.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,839.40 : 13,577.96 = 5,363.04 : x
2. Step 2: Convert to fraction form
   9,839.40/13,577.96 = 5,363.04/x
3. Step 3: Cross multiply
   9,839.40x = 13,577.96 × 5,363.04
4. Step 4: Simplify right side
   9,839.40x = 72,819,142.60
5. Step 5: Solve for x
   x = 72,819,142.60/9,839.40
6. Step 6: Final answer
   x = 7,400.77