Finding the Fourth Proportional to 12,869.82, 17,760.17 and 7,204.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,869.82 : 17,760.17 = 7,204.47 : x
2. Step 2: Convert to fraction form
   12,869.82/17,760.17 = 7,204.47/x
3. Step 3: Cross multiply
   12,869.82x = 17,760.17 × 7,204.47
4. Step 4: Simplify right side
   12,869.82x = 127,952,575.94
5. Step 5: Solve for x
   x = 127,952,575.94/12,869.82
6. Step 6: Final answer
   x = 9,942.06