Finding the Fourth Proportional to 12,724.54, 17,559.51 and 7,059.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,724.54 : 17,559.51 = 7,059.26 : x
2. Step 2: Convert to fraction form
   12,724.54/17,559.51 = 7,059.26/x
3. Step 3: Cross multiply
   12,724.54x = 17,559.51 × 7,059.26
4. Step 4: Simplify right side
   12,724.54x = 123,957,146.56
5. Step 5: Solve for x
   x = 123,957,146.56/12,724.54
6. Step 6: Final answer
   x = 9,741.58