Finding the Fourth Proportional to 404,045.52, 557,586.72 and 222,764.48

Step by Step Solution

1. Step 1: Write the proportion equation
   404,045.52 : 557,586.72 = 222,764.48 : x
2. Step 2: Convert to fraction form
   404,045.52/557,586.72 = 222,764.48/x
3. Step 3: Cross multiply
   404,045.52x = 557,586.72 × 222,764.48
4. Step 4: Simplify right side
   404,045.52x = 124,210,515,735.71
5. Step 5: Solve for x
   x = 124,210,515,735.71/404,045.52
6. Step 6: Final answer
   x = 307,417.13