Finding the Fourth Proportional to 12,797.30, 17,660.04 and 7,208.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797.30 : 17,660.04 = 7,208.30 : x
2. Step 2: Convert to fraction form
   12,797.30/17,660.04 = 7,208.30/x
3. Step 3: Cross multiply
   12,797.30x = 17,660.04 × 7,208.30
4. Step 4: Simplify right side
   12,797.30x = 127,298,866.33
5. Step 5: Solve for x
   x = 127,298,866.33/12,797.30
6. Step 6: Final answer
   x = 9,947.32