Finding the Fourth Proportional to 12,797.25, 17,660.61 and 7,208.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797.25 : 17,660.61 = 7,208.25 : x
2. Step 2: Convert to fraction form
   12,797.25/17,660.61 = 7,208.25/x
3. Step 3: Cross multiply
   12,797.25x = 17,660.61 × 7,208.25
4. Step 4: Simplify right side
   12,797.25x = 127,302,092.03
5. Step 5: Solve for x
   x = 127,302,092.03/12,797.25
6. Step 6: Final answer
   x = 9,947.61