Finding the Fourth Proportional to 12,648.92, 17,456.08 and 7,273.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.92 : 17,456.08 = 7,273.10 : x
2. Step 2: Convert to fraction form
   12,648.92/17,456.08 = 7,273.10/x
3. Step 3: Cross multiply
   12,648.92x = 17,456.08 × 7,273.10
4. Step 4: Simplify right side
   12,648.92x = 126,959,815.45
5. Step 5: Solve for x
   x = 126,959,815.45/12,648.92
6. Step 6: Final answer
   x = 10,037.21