Finding the Fourth Proportional to 12,867.98, 17,757.72 and 7,203.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,867.98 : 17,757.72 = 7,203.24 : x
2. Step 2: Convert to fraction form
   12,867.98/17,757.72 = 7,203.24/x
3. Step 3: Cross multiply
   12,867.98x = 17,757.72 × 7,203.24
4. Step 4: Simplify right side
   12,867.98x = 127,913,119.01
5. Step 5: Solve for x
   x = 127,913,119.01/12,867.98
6. Step 6: Final answer
   x = 9,940.42