Finding the Fourth Proportional to 321,196.83, 443,245.88 and 177,954

Step by Step Solution

1. Step 1: Write the proportion equation
   321,196.83 : 443,245.88 = 177,954 : x
2. Step 2: Convert to fraction form
   321,196.83/443,245.88 = 177,954/x
3. Step 3: Cross multiply
   321,196.83x = 443,245.88 × 177,954
4. Step 4: Simplify right side
   321,196.83x = 78,877,377,329.52
5. Step 5: Solve for x
   x = 78,877,377,329.52/321,196.83
6. Step 6: Final answer
   x = 245,573.34