Finding the Fourth Proportional to 321,151.80, 443,109.42 and 185,227.32

Step by Step Solution

1. Step 1: Write the proportion equation
   321,151.80 : 443,109.42 = 185,227.32 : x
2. Step 2: Convert to fraction form
   321,151.80/443,109.42 = 185,227.32/x
3. Step 3: Cross multiply
   321,151.80x = 443,109.42 × 185,227.32
4. Step 4: Simplify right side
   321,151.80x = 82,075,970,333.35
5. Step 5: Solve for x
   x = 82,075,970,333.35/321,151.80
6. Step 6: Final answer
   x = 255,567.52