Finding the Fourth Proportional to 10,725.24, 16,081.91 and 5,456.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,725.24 : 16,081.91 = 5,456.97 : x
2. Step 2: Convert to fraction form
   10,725.24/16,081.91 = 5,456.97/x
3. Step 3: Cross multiply
   10,725.24x = 16,081.91 × 5,456.97
4. Step 4: Simplify right side
   10,725.24x = 87,758,493.59
5. Step 5: Solve for x
   x = 87,758,493.59/10,725.24
6. Step 6: Final answer
   x = 8,182.42