Finding the Fourth Proportional to 196,538.82, 271,224.48 and 111,660.54

Step by Step Solution

1. Step 1: Write the proportion equation
   196,538.82 : 271,224.48 = 111,660.54 : x
2. Step 2: Convert to fraction form
   196,538.82/271,224.48 = 111,660.54/x
3. Step 3: Cross multiply
   196,538.82x = 271,224.48 × 111,660.54
4. Step 4: Simplify right side
   196,538.82x = 30,285,071,898.02
5. Step 5: Solve for x
   x = 30,285,071,898.02/196,538.82
6. Step 6: Final answer
   x = 154,092.06