Finding the Fourth Proportional to 404,028, 557,575.92 and 225,180

Step by Step Solution

1. Step 1: Write the proportion equation
   404,028 : 557,575.92 = 225,180 : x
2. Step 2: Convert to fraction form
   404,028/557,575.92 = 225,180/x
3. Step 3: Cross multiply
   404,028x = 557,575.92 × 225,180
4. Step 4: Simplify right side
   404,028x = 125,554,945,665.60
5. Step 5: Solve for x
   x = 125,554,945,665.60/404,028
6. Step 6: Final answer
   x = 310,758.03