Finding the Fourth Proportional to 12,724.47, 17,559.74 and 7,060.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,724.47 : 17,559.74 = 7,060.08 : x
2. Step 2: Convert to fraction form
   12,724.47/17,559.74 = 7,060.08/x
3. Step 3: Cross multiply
   12,724.47x = 17,559.74 × 7,060.08
4. Step 4: Simplify right side
   12,724.47x = 123,973,169.18
5. Step 5: Solve for x
   x = 123,973,169.18/12,724.47
6. Step 6: Final answer
   x = 9,742.89