Finding the Fourth Proportional to 321,131.92, 443,156.25 and 177,891.52

Step by Step Solution

1. Step 1: Write the proportion equation
   321,131.92 : 443,156.25 = 177,891.52 : x
2. Step 2: Convert to fraction form
   321,131.92/443,156.25 = 177,891.52/x
3. Step 3: Cross multiply
   321,131.92x = 443,156.25 × 177,891.52
4. Step 4: Simplify right side
   321,131.92x = 78,833,738,910
5. Step 5: Solve for x
   x = 78,833,738,910/321,131.92
6. Step 6: Final answer
   x = 245,487.08