Finding the Fourth Proportional to 12,724.66, 17,559.96 and 7,059.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,724.66 : 17,559.96 = 7,059.35 : x
2. Step 2: Convert to fraction form
   12,724.66/17,559.96 = 7,059.35/x
3. Step 3: Cross multiply
   12,724.66x = 17,559.96 × 7,059.35
4. Step 4: Simplify right side
   12,724.66x = 123,961,947.53
5. Step 5: Solve for x
   x = 123,961,947.53/12,724.66
6. Step 6: Final answer
   x = 9,741.87