Finding the Fourth Proportional to 196,496.72, 271,165.42 and 107,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,496.72 : 271,165.42 = 107,072.72 : x
2. Step 2: Convert to fraction form
   196,496.72/271,165.42 = 107,072.72/x
3. Step 3: Cross multiply
   196,496.72x = 271,165.42 × 107,072.72
4. Step 4: Simplify right side
   196,496.72x = 29,034,419,089.34
5. Step 5: Solve for x
   x = 29,034,419,089.34/196,496.72
6. Step 6: Final answer
   x = 147,760.32