Finding the Fourth Proportional to 9,945.06, 13,724.22 and 5,469.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.06 : 13,724.22 = 5,469.27 : x
2. Step 2: Convert to fraction form
   9,945.06/13,724.22 = 5,469.27/x
3. Step 3: Cross multiply
   9,945.06x = 13,724.22 × 5,469.27
4. Step 4: Simplify right side
   9,945.06x = 75,061,464.72
5. Step 5: Solve for x
   x = 75,061,464.72/9,945.06
6. Step 6: Final answer
   x = 7,547.61