Finding the Fourth Proportional to 196,485.96, 271,150.61 and 107,061.96

Step by Step Solution

1. Step 1: Write the proportion equation
   196,485.96 : 271,150.61 = 107,061.96 : x
2. Step 2: Convert to fraction form
   196,485.96/271,150.61 = 107,061.96/x
3. Step 3: Cross multiply
   196,485.96x = 271,150.61 × 107,061.96
4. Step 4: Simplify right side
   196,485.96x = 29,029,915,761.80
5. Step 5: Solve for x
   x = 29,029,915,761.80/196,485.96
6. Step 6: Final answer
   x = 147,745.50