Finding the Fourth Proportional to 12,648.12, 17,453.70 and 7,059.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.12 : 17,453.70 = 7,059.48 : x
2. Step 2: Convert to fraction form
   12,648.12/17,453.70 = 7,059.48/x
3. Step 3: Cross multiply
   12,648.12x = 17,453.70 × 7,059.48
4. Step 4: Simplify right side
   12,648.12x = 123,214,046.08
5. Step 5: Solve for x
   x = 123,214,046.08/12,648.12
6. Step 6: Final answer
   x = 9,741.69