Finding the Fourth Proportional to 321,414.58, 443,522.27 and 178,162.43

Step by Step Solution

1. Step 1: Write the proportion equation
   321,414.58 : 443,522.27 = 178,162.43 : x
2. Step 2: Convert to fraction form
   321,414.58/443,522.27 = 178,162.43/x
3. Step 3: Cross multiply
   321,414.58x = 443,522.27 × 178,162.43
4. Step 4: Simplify right side
   321,414.58x = 79,019,004,491.50
5. Step 5: Solve for x
   x = 79,019,004,491.50/321,414.58
6. Step 6: Final answer
   x = 245,847.61