Finding the Fourth Proportional to 171,016.47, 256,192.56 and 82,332.27

Step by Step Solution

1. Step 1: Write the proportion equation
   171,016.47 : 256,192.56 = 82,332.27 : x
2. Step 2: Convert to fraction form
   171,016.47/256,192.56 = 82,332.27/x
3. Step 3: Cross multiply
   171,016.47x = 256,192.56 × 82,332.27
4. Step 4: Simplify right side
   171,016.47x = 21,092,915,021.91
5. Step 5: Solve for x
   x = 21,092,915,021.91/171,016.47
6. Step 6: Final answer
   x = 123,338.50