Finding the Fourth Proportional to 321,308.01, 443,404.40 and 185,339.79

Step by Step Solution

1. Step 1: Write the proportion equation
   321,308.01 : 443,404.40 = 185,339.79 : x
2. Step 2: Convert to fraction form
   321,308.01/443,404.40 = 185,339.79/x
3. Step 3: Cross multiply
   321,308.01x = 443,404.40 × 185,339.79
4. Step 4: Simplify right side
   321,308.01x = 82,180,477,454.38
5. Step 5: Solve for x
   x = 82,180,477,454.38/321,308.01
6. Step 6: Final answer
   x = 255,768.53