Finding the Fourth Proportional to 12,648.43, 17,454.82 and 7,059.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.43 : 17,454.82 = 7,059.43 : x
2. Step 2: Convert to fraction form
   12,648.43/17,454.82 = 7,059.43/x
3. Step 3: Cross multiply
   12,648.43x = 17,454.82 × 7,059.43
4. Step 4: Simplify right side
   12,648.43x = 123,221,079.95
5. Step 5: Solve for x
   x = 123,221,079.95/12,648.43
6. Step 6: Final answer
   x = 9,742.01