Finding the Fourth Proportional to 404,105.60, 606,525.60 and 204,564.80

Step by Step Solution

1. Step 1: Write the proportion equation
   404,105.60 : 606,525.60 = 204,564.80 : x
2. Step 2: Convert to fraction form
   404,105.60/606,525.60 = 204,564.80/x
3. Step 3: Cross multiply
   404,105.60x = 606,525.60 × 204,564.80
4. Step 4: Simplify right side
   404,105.60x = 124,073,788,058.88
5. Step 5: Solve for x
   x = 124,073,788,058.88/404,105.60
6. Step 6: Final answer
   x = 307,033.08