Finding the Fourth Proportional to 321,227.40, 443,293.38 and 177,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   321,227.40 : 443,293.38 = 177,996.72 : x
2. Step 2: Convert to fraction form
   321,227.40/443,293.38 = 177,996.72/x
3. Step 3: Cross multiply
   321,227.40x = 443,293.38 × 177,996.72
4. Step 4: Simplify right side
   321,227.40x = 78,904,767,637.71
5. Step 5: Solve for x
   x = 78,904,767,637.71/321,227.40
6. Step 6: Final answer
   x = 245,635.23