Finding the Fourth Proportional to 404,367.33, 606,231.38 and 201,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,367.33 : 606,231.38 = 201,859.50 : x
2. Step 2: Convert to fraction form
   404,367.33/606,231.38 = 201,859.50/x
3. Step 3: Cross multiply
   404,367.33x = 606,231.38 × 201,859.50
4. Step 4: Simplify right side
   404,367.33x = 122,373,562,241.81
5. Step 5: Solve for x
   x = 122,373,562,241.81/404,367.33
6. Step 6: Final answer
   x = 302,629.70