Finding the Fourth Proportional to 196,871.14, 271,702.59 and 120,441.15

Step by Step Solution

1. Step 1: Write the proportion equation
   196,871.14 : 271,702.59 = 120,441.15 : x
2. Step 2: Convert to fraction form
   196,871.14/271,702.59 = 120,441.15/x
3. Step 3: Cross multiply
   196,871.14x = 271,702.59 × 120,441.15
4. Step 4: Simplify right side
   196,871.14x = 32,724,171,945.92
5. Step 5: Solve for x
   x = 32,724,171,945.92/196,871.14
6. Step 6: Final answer
   x = 166,221.27