Finding the Fourth Proportional to 171,019.52, 256,584.63 and 82,261.47

Step by Step Solution

1. Step 1: Write the proportion equation
   171,019.52 : 256,584.63 = 82,261.47 : x
2. Step 2: Convert to fraction form
   171,019.52/256,584.63 = 82,261.47/x
3. Step 3: Cross multiply
   171,019.52x = 256,584.63 × 82,261.47
4. Step 4: Simplify right side
   171,019.52x = 21,107,028,843.21
5. Step 5: Solve for x
   x = 21,107,028,843.21/171,019.52
6. Step 6: Final answer
   x = 123,418.83