Finding the Fourth Proportional to 9,945.28, 13,727.04 and 5,755.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.28 : 13,727.04 = 5,755.96 : x
2. Step 2: Convert to fraction form
   9,945.28/13,727.04 = 5,755.96/x
3. Step 3: Cross multiply
   9,945.28x = 13,727.04 × 5,755.96
4. Step 4: Simplify right side
   9,945.28x = 79,012,293.16
5. Step 5: Solve for x
   x = 79,012,293.16/9,945.28
6. Step 6: Final answer
   x = 7,944.70