Finding the Fourth Proportional to 9,483.87, 13,081.63 and 5,757.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,483.87 : 13,081.63 = 5,757.87 : x
2. Step 2: Convert to fraction form
   9,483.87/13,081.63 = 5,757.87/x
3. Step 3: Cross multiply
   9,483.87x = 13,081.63 × 5,757.87
4. Step 4: Simplify right side
   9,483.87x = 75,322,324.93
5. Step 5: Solve for x
   x = 75,322,324.93/9,483.87
6. Step 6: Final answer
   x = 7,942.15