Finding the Fourth Proportional to 9,945.28, 13,724.22 and 5,468.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.28 : 13,724.22 = 5,468.68 : x
2. Step 2: Convert to fraction form
   9,945.28/13,724.22 = 5,468.68/x
3. Step 3: Cross multiply
   9,945.28x = 13,724.22 × 5,468.68
4. Step 4: Simplify right side
   9,945.28x = 75,053,367.43
5. Step 5: Solve for x
   x = 75,053,367.43/9,945.28
6. Step 6: Final answer
   x = 7,546.63