Finding the Fourth Proportional to 321,321.23, 443,423.34 and 178,090.52

Step by Step Solution

1. Step 1: Write the proportion equation
   321,321.23 : 443,423.34 = 178,090.52 : x
2. Step 2: Convert to fraction form
   321,321.23/443,423.34 = 178,090.52/x
3. Step 3: Cross multiply
   321,321.23x = 443,423.34 × 178,090.52
4. Step 4: Simplify right side
   321,321.23x = 78,969,490,983.62
5. Step 5: Solve for x
   x = 78,969,490,983.62/321,321.23
6. Step 6: Final answer
   x = 245,764.94