Finding the Fourth Proportional to 9,947.38, 13,727.62 and 5,471.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.38 : 13,727.62 = 5,471.24 : x
2. Step 2: Convert to fraction form
   9,947.38/13,727.62 = 5,471.24/x
3. Step 3: Cross multiply
   9,947.38x = 13,727.62 × 5,471.24
4. Step 4: Simplify right side
   9,947.38x = 75,107,105.57
5. Step 5: Solve for x
   x = 75,107,105.57/9,947.38
6. Step 6: Final answer
   x = 7,550.44