Finding the Fourth Proportional to 9,383.50, 12,949.83 and 5,404.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.50 : 12,949.83 = 5,404.53 : x
2. Step 2: Convert to fraction form
   9,383.50/12,949.83 = 5,404.53/x
3. Step 3: Cross multiply
   9,383.50x = 12,949.83 × 5,404.53
4. Step 4: Simplify right side
   9,383.50x = 69,987,744.73
5. Step 5: Solve for x
   x = 69,987,744.73/9,383.50
6. Step 6: Final answer
   x = 7,458.60