Finding the Fourth Proportional to 404,090.03, 557,648.01 and 222,808.46

Step by Step Solution

1. Step 1: Write the proportion equation
   404,090.03 : 557,648.01 = 222,808.46 : x
2. Step 2: Convert to fraction form
   404,090.03/557,648.01 = 222,808.46/x
3. Step 3: Cross multiply
   404,090.03x = 557,648.01 × 222,808.46
4. Step 4: Simplify right side
   404,090.03x = 124,248,691,541.93
5. Step 5: Solve for x
   x = 124,248,691,541.93/404,090.03
6. Step 6: Final answer
   x = 307,477.74