Finding the Fourth Proportional to 12,648, 17,454.24 and 7,059

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648 : 17,454.24 = 7,059 : x
2. Step 2: Convert to fraction form
   12,648/17,454.24 = 7,059/x
3. Step 3: Cross multiply
   12,648x = 17,454.24 × 7,059
4. Step 4: Simplify right side
   12,648x = 123,209,480.16
5. Step 5: Solve for x
   x = 123,209,480.16/12,648
6. Step 6: Final answer
   x = 9,741.42