Finding the Fourth Proportional to 321,229.86, 443,285.25 and 185,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   321,229.86 : 443,285.25 = 185,269.50 : x
2. Step 2: Convert to fraction form
   321,229.86/443,285.25 = 185,269.50/x
3. Step 3: Cross multiply
   321,229.86x = 443,285.25 × 185,269.50
4. Step 4: Simplify right side
   321,229.86x = 82,127,236,624.88
5. Step 5: Solve for x
   x = 82,127,236,624.88/321,229.86
6. Step 6: Final answer
   x = 255,665.01