Finding the Fourth Proportional to 321,229.98, 443,266.56 and 177,987.24

Step by Step Solution

1. Step 1: Write the proportion equation
   321,229.98 : 443,266.56 = 177,987.24 : x
2. Step 2: Convert to fraction form
   321,229.98/443,266.56 = 177,987.24/x
3. Step 3: Cross multiply
   321,229.98x = 443,266.56 × 177,987.24
4. Step 4: Simplify right side
   321,229.98x = 78,895,791,598.69
5. Step 5: Solve for x
   x = 78,895,791,598.69/321,229.98
6. Step 6: Final answer
   x = 245,605.32