Finding the Fourth Proportional to 122,016.66, 168,391.35 and 68,300.30

Step by Step Solution

1. Step 1: Write the proportion equation
   122,016.66 : 168,391.35 = 68,300.30 : x
2. Step 2: Convert to fraction form
   122,016.66/168,391.35 = 68,300.30/x
3. Step 3: Cross multiply
   122,016.66x = 168,391.35 × 68,300.30
4. Step 4: Simplify right side
   122,016.66x = 11,501,178,880.45
5. Step 5: Solve for x
   x = 11,501,178,880.45/122,016.66
6. Step 6: Final answer
   x = 94,259.09