Finding the Fourth Proportional to 332,061.47, 458,231.24 and 196,139.42

Step by Step Solution

1. Step 1: Write the proportion equation
   332,061.47 : 458,231.24 = 196,139.42 : x
2. Step 2: Convert to fraction form
   332,061.47/458,231.24 = 196,139.42/x
3. Step 3: Cross multiply
   332,061.47x = 458,231.24 × 196,139.42
4. Step 4: Simplify right side
   332,061.47x = 89,877,206,367.63
5. Step 5: Solve for x
   x = 89,877,206,367.63/332,061.47
6. Step 6: Final answer
   x = 270,664.37