Finding the Fourth Proportional to 178,957.98, 268,480.89 and 89,043.12

Step by Step Solution

1. Step 1: Write the proportion equation
   178,957.98 : 268,480.89 = 89,043.12 : x
2. Step 2: Convert to fraction form
   178,957.98/268,480.89 = 89,043.12/x
3. Step 3: Cross multiply
   178,957.98x = 268,480.89 × 89,043.12
4. Step 4: Simplify right side
   178,957.98x = 23,906,376,105.98
5. Step 5: Solve for x
   x = 23,906,376,105.98/178,957.98
6. Step 6: Final answer
   x = 133,586.53