Finding the Fourth Proportional to 196,660.27, 271,388.64 and 111,771.73

Step by Step Solution

1. Step 1: Write the proportion equation
   196,660.27 : 271,388.64 = 111,771.73 : x
2. Step 2: Convert to fraction form
   196,660.27/271,388.64 = 111,771.73/x
3. Step 3: Cross multiply
   196,660.27x = 271,388.64 × 111,771.73
4. Step 4: Simplify right side
   196,660.27x = 30,333,577,795.15
5. Step 5: Solve for x
   x = 30,333,577,795.15/196,660.27
6. Step 6: Final answer
   x = 154,243.55