Finding the Fourth Proportional to 12,708.82, 17,539.39 and 7,044.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,708.82 : 17,539.39 = 7,044.79 : x
2. Step 2: Convert to fraction form
   12,708.82/17,539.39 = 7,044.79/x
3. Step 3: Cross multiply
   12,708.82x = 17,539.39 × 7,044.79
4. Step 4: Simplify right side
   12,708.82x = 123,561,319.28
5. Step 5: Solve for x
   x = 123,561,319.28/12,708.82
6. Step 6: Final answer
   x = 9,722.49