Finding the Fourth Proportional to 171,147.91, 256,612.52 and 82,224.49

Step by Step Solution

1. Step 1: Write the proportion equation
   171,147.91 : 256,612.52 = 82,224.49 : x
2. Step 2: Convert to fraction form
   171,147.91/256,612.52 = 82,224.49/x
3. Step 3: Cross multiply
   171,147.91x = 256,612.52 × 82,224.49
4. Step 4: Simplify right side
   171,147.91x = 21,099,833,173.49
5. Step 5: Solve for x
   x = 21,099,833,173.49/171,147.91
6. Step 6: Final answer
   x = 123,284.20