Finding the Fourth Proportional to 321,150.02, 443,151.23 and 177,874.17

Step by Step Solution

1. Step 1: Write the proportion equation
   321,150.02 : 443,151.23 = 177,874.17 : x
2. Step 2: Convert to fraction form
   321,150.02/443,151.23 = 177,874.17/x
3. Step 3: Cross multiply
   321,150.02x = 443,151.23 × 177,874.17
4. Step 4: Simplify right side
   321,150.02x = 78,825,156,331.36
5. Step 5: Solve for x
   x = 78,825,156,331.36/321,150.02
6. Step 6: Final answer
   x = 245,446.53