Finding the Fourth Proportional to 321,200.82, 443,238.62 and 177,952.32

Step by Step Solution

1. Step 1: Write the proportion equation
   321,200.82 : 443,238.62 = 177,952.32 : x
2. Step 2: Convert to fraction form
   321,200.82/443,238.62 = 177,952.32/x
3. Step 3: Cross multiply
   321,200.82x = 443,238.62 × 177,952.32
4. Step 4: Simplify right side
   321,200.82x = 78,875,339,852.84
5. Step 5: Solve for x
   x = 78,875,339,852.84/321,200.82
6. Step 6: Final answer
   x = 245,563.94