Finding the Fourth Proportional to 196,474.50, 271,134.81 and 107,050.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,474.50 : 271,134.81 = 107,050.50 : x
2. Step 2: Convert to fraction form
   196,474.50/271,134.81 = 107,050.50/x
3. Step 3: Cross multiply
   196,474.50x = 271,134.81 × 107,050.50
4. Step 4: Simplify right side
   196,474.50x = 29,025,116,977.91
5. Step 5: Solve for x
   x = 29,025,116,977.91/196,474.50
6. Step 6: Final answer
   x = 147,729.69