Finding the Fourth Proportional to 9,504.93, 13,118.31 and 5,728.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,504.93 : 13,118.31 = 5,728.71 : x
2. Step 2: Convert to fraction form
   9,504.93/13,118.31 = 5,728.71/x
3. Step 3: Cross multiply
   9,504.93x = 13,118.31 × 5,728.71
4. Step 4: Simplify right side
   9,504.93x = 75,150,993.68
5. Step 5: Solve for x
   x = 75,150,993.68/9,504.93
6. Step 6: Final answer
   x = 7,906.53