Finding the Fourth Proportional to 172,461.52, 258,524.24 and 82,480.83

Step by Step Solution

1. Step 1: Write the proportion equation
   172,461.52 : 258,524.24 = 82,480.83 : x
2. Step 2: Convert to fraction form
   172,461.52/258,524.24 = 82,480.83/x
3. Step 3: Cross multiply
   172,461.52x = 258,524.24 × 82,480.83
4. Step 4: Simplify right side
   172,461.52x = 21,323,293,138.59
5. Step 5: Solve for x
   x = 21,323,293,138.59/172,461.52
6. Step 6: Final answer
   x = 123,640.87