Finding the Fourth Proportional to 12,724.87, 17,560.35 and 7,059.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,724.87 : 17,560.35 = 7,059.62 : x
2. Step 2: Convert to fraction form
   12,724.87/17,560.35 = 7,059.62/x
3. Step 3: Cross multiply
   12,724.87x = 17,560.35 × 7,059.62
4. Step 4: Simplify right side
   12,724.87x = 123,969,274.97
5. Step 5: Solve for x
   x = 123,969,274.97/12,724.87
6. Step 6: Final answer
   x = 9,742.28