Finding the Fourth Proportional to 196,819, 271,608.78 and 111,935.96

Step by Step Solution

1. Step 1: Write the proportion equation
   196,819 : 271,608.78 = 111,935.96 : x
2. Step 2: Convert to fraction form
   196,819/271,608.78 = 111,935.96/x
3. Step 3: Cross multiply
   196,819x = 271,608.78 × 111,935.96
4. Step 4: Simplify right side
   196,819x = 30,402,789,533.73
5. Step 5: Solve for x
   x = 30,402,789,533.73/196,819
6. Step 6: Final answer
   x = 154,470.81