Finding the Fourth Proportional to 196,481.39, 271,144.32 and 107,057.39

Step by Step Solution

1. Step 1: Write the proportion equation
   196,481.39 : 271,144.32 = 107,057.39 : x
2. Step 2: Convert to fraction form
   196,481.39/271,144.32 = 107,057.39/x
3. Step 3: Cross multiply
   196,481.39x = 271,144.32 × 107,057.39
4. Step 4: Simplify right side
   196,481.39x = 29,028,003,582.72
5. Step 5: Solve for x
   x = 29,028,003,582.72/196,481.39
6. Step 6: Final answer
   x = 147,739.20