Finding the Fourth Proportional to 115,456.73, 159,356.85 and 67,725.46

Step by Step Solution

1. Step 1: Write the proportion equation
   115,456.73 : 159,356.85 = 67,725.46 : x
2. Step 2: Convert to fraction form
   115,456.73/159,356.85 = 67,725.46/x
3. Step 3: Cross multiply
   115,456.73x = 159,356.85 × 67,725.46
4. Step 4: Simplify right side
   115,456.73x = 10,792,515,173.62
5. Step 5: Solve for x
   x = 10,792,515,173.62/115,456.73
6. Step 6: Final answer
   x = 93,476.71