Finding the Fourth Proportional to 321,469.28, 443,620.76 and 185,492.56

Step by Step Solution

1. Step 1: Write the proportion equation
   321,469.28 : 443,620.76 = 185,492.56 : x
2. Step 2: Convert to fraction form
   321,469.28/443,620.76 = 185,492.56/x
3. Step 3: Cross multiply
   321,469.28x = 443,620.76 × 185,492.56
4. Step 4: Simplify right side
   321,469.28x = 82,288,350,441.55
5. Step 5: Solve for x
   x = 82,288,350,441.55/321,469.28
6. Step 6: Final answer
   x = 255,975.78