Finding the Fourth Proportional to 9,947.22, 13,727.52 and 5,471.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.22 : 13,727.52 = 5,471.32 : x
2. Step 2: Convert to fraction form
   9,947.22/13,727.52 = 5,471.32/x
3. Step 3: Cross multiply
   9,947.22x = 13,727.52 × 5,471.32
4. Step 4: Simplify right side
   9,947.22x = 75,107,558.73
5. Step 5: Solve for x
   x = 75,107,558.73/9,947.22
6. Step 6: Final answer
   x = 7,550.61