Finding the Fourth Proportional to 122,016.78, 168,363.77 and 68,304.06

Step by Step Solution

1. Step 1: Write the proportion equation
   122,016.78 : 168,363.77 = 68,304.06 : x
2. Step 2: Convert to fraction form
   122,016.78/168,363.77 = 68,304.06/x
3. Step 3: Cross multiply
   122,016.78x = 168,363.77 × 68,304.06
4. Step 4: Simplify right side
   122,016.78x = 11,499,928,706.39
5. Step 5: Solve for x
   x = 11,499,928,706.39/122,016.78
6. Step 6: Final answer
   x = 94,248.75