Finding the Fourth Proportional to 404,042.73, 606,209.16 and 173,134.82

Step by Step Solution

1. Step 1: Write the proportion equation
   404,042.73 : 606,209.16 = 173,134.82 : x
2. Step 2: Convert to fraction form
   404,042.73/606,209.16 = 173,134.82/x
3. Step 3: Cross multiply
   404,042.73x = 606,209.16 × 173,134.82
4. Step 4: Simplify right side
   404,042.73x = 104,955,912,553.80
5. Step 5: Solve for x
   x = 104,955,912,553.80/404,042.73
6. Step 6: Final answer
   x = 259,764.39