Finding the Fourth Proportional to 12,648.54, 17,454.97 and 7,059.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.54 : 17,454.97 = 7,059.54 : x
2. Step 2: Convert to fraction form
   12,648.54/17,454.97 = 7,059.54/x
3. Step 3: Cross multiply
   12,648.54x = 17,454.97 × 7,059.54
4. Step 4: Simplify right side
   12,648.54x = 123,224,058.91
5. Step 5: Solve for x
   x = 123,224,058.91/12,648.54
6. Step 6: Final answer
   x = 9,742.16