Finding the Fourth Proportional to 12,647.72, 17,453.76 and 6,982.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,647.72 : 17,453.76 = 6,982.48 : x
2. Step 2: Convert to fraction form
   12,647.72/17,453.76 = 6,982.48/x
3. Step 3: Cross multiply
   12,647.72x = 17,453.76 × 6,982.48
4. Step 4: Simplify right side
   12,647.72x = 121,870,530.12
5. Step 5: Solve for x
   x = 121,870,530.12/12,647.72
6. Step 6: Final answer
   x = 9,635.77