Finding the Fourth Proportional to 9,744.48, 13,449.60 and 5,767.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,744.48 : 13,449.60 = 5,767.92 : x
2. Step 2: Convert to fraction form
   9,744.48/13,449.60 = 5,767.92/x
3. Step 3: Cross multiply
   9,744.48x = 13,449.60 × 5,767.92
4. Step 4: Simplify right side
   9,744.48x = 77,576,216.83
5. Step 5: Solve for x
   x = 77,576,216.83/9,744.48
6. Step 6: Final answer
   x = 7,961.04