Finding the Fourth Proportional to 321,573.48, 443,764.50 and 185,596.76

Step by Step Solution

1. Step 1: Write the proportion equation
   321,573.48 : 443,764.50 = 185,596.76 : x
2. Step 2: Convert to fraction form
   321,573.48/443,764.50 = 185,596.76/x
3. Step 3: Cross multiply
   321,573.48x = 443,764.50 × 185,596.76
4. Step 4: Simplify right side
   321,573.48x = 82,361,253,403.02
5. Step 5: Solve for x
   x = 82,361,253,403.02/321,573.48
6. Step 6: Final answer
   x = 256,119.55