Finding the Fourth Proportional to 196,659.27, 271,387.26 and 111,770.73

Step by Step Solution

1. Step 1: Write the proportion equation
   196,659.27 : 271,387.26 = 111,770.73 : x
2. Step 2: Convert to fraction form
   196,659.27/271,387.26 = 111,770.73/x
3. Step 3: Cross multiply
   196,659.27x = 271,387.26 × 111,770.73
4. Step 4: Simplify right side
   196,659.27x = 30,333,152,162.90
5. Step 5: Solve for x
   x = 30,333,152,162.90/196,659.27
6. Step 6: Final answer
   x = 154,242.17