Finding the Fourth Proportional to 196,429, 271,072.02 and 107,005

Step by Step Solution

1. Step 1: Write the proportion equation
   196,429 : 271,072.02 = 107,005 : x
2. Step 2: Convert to fraction form
   196,429/271,072.02 = 107,005/x
3. Step 3: Cross multiply
   196,429x = 271,072.02 × 107,005
4. Step 4: Simplify right side
   196,429x = 29,006,061,500.10
5. Step 5: Solve for x
   x = 29,006,061,500.10/196,429
6. Step 6: Final answer
   x = 147,666.90