Finding the Fourth Proportional to 404,028.80, 557,549.48 and 222,736.52

Step by Step Solution

1. Step 1: Write the proportion equation
   404,028.80 : 557,549.48 = 222,736.52 : x
2. Step 2: Convert to fraction form
   404,028.80/557,549.48 = 222,736.52/x
3. Step 3: Cross multiply
   404,028.80x = 557,549.48 × 222,736.52
4. Step 4: Simplify right side
   404,028.80x = 124,186,627,001.58
5. Step 5: Solve for x
   x = 124,186,627,001.58/404,028.80
6. Step 6: Final answer
   x = 307,370.73