Finding the Fourth Proportional to 321,673.55, 443,929.61 and 185,732.39

Step by Step Solution

1. Step 1: Write the proportion equation
   321,673.55 : 443,929.61 = 185,732.39 : x
2. Step 2: Convert to fraction form
   321,673.55/443,929.61 = 185,732.39/x
3. Step 3: Cross multiply
   321,673.55x = 443,929.61 × 185,732.39
4. Step 4: Simplify right side
   321,673.55x = 82,452,109,031.22
5. Step 5: Solve for x
   x = 82,452,109,031.22/321,673.55
6. Step 6: Final answer
   x = 256,322.32