Finding the Fourth Proportional to 196,860.38, 271,667.32 and 107,436.38

Step by Step Solution

1. Step 1: Write the proportion equation
   196,860.38 : 271,667.32 = 107,436.38 : x
2. Step 2: Convert to fraction form
   196,860.38/271,667.32 = 107,436.38/x
3. Step 3: Cross multiply
   196,860.38x = 271,667.32 × 107,436.38
4. Step 4: Simplify right side
   196,860.38x = 29,186,951,798.17
5. Step 5: Solve for x
   x = 29,186,951,798.17/196,860.38
6. Step 6: Final answer
   x = 148,262.20