Finding the Fourth Proportional to 9,732.87, 13,431.69 and 5,757.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,732.87 : 13,431.69 = 5,757.39 : x
2. Step 2: Convert to fraction form
   9,732.87/13,431.69 = 5,757.39/x
3. Step 3: Cross multiply
   9,732.87x = 13,431.69 × 5,757.39
4. Step 4: Simplify right side
   9,732.87x = 77,331,477.69
5. Step 5: Solve for x
   x = 77,331,477.69/9,732.87
6. Step 6: Final answer
   x = 7,945.39