Finding the Fourth Proportional to 196,443.50, 271,092.03 and 107,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,443.50 : 271,092.03 = 107,019.50 : x
2. Step 2: Convert to fraction form
   196,443.50/271,092.03 = 107,019.50/x
3. Step 3: Cross multiply
   196,443.50x = 271,092.03 × 107,019.50
4. Step 4: Simplify right side
   196,443.50x = 29,012,133,504.59
5. Step 5: Solve for x
   x = 29,012,133,504.59/196,443.50
6. Step 6: Final answer
   x = 147,686.91