Finding the Fourth Proportional to 404,167.86, 557,748.27 and 222,887.34

Step by Step Solution

1. Step 1: Write the proportion equation
   404,167.86 : 557,748.27 = 222,887.34 : x
2. Step 2: Convert to fraction form
   404,167.86/557,748.27 = 222,887.34/x
3. Step 3: Cross multiply
   404,167.86x = 557,748.27 × 222,887.34
4. Step 4: Simplify right side
   404,167.86x = 124,315,028,289.90
5. Step 5: Solve for x
   x = 124,315,028,289.90/404,167.86
6. Step 6: Final answer
   x = 307,582.67