Finding the Fourth Proportional to 404,011.50, 557,510.82 and 222,714.06

Step by Step Solution

1. Step 1: Write the proportion equation
   404,011.50 : 557,510.82 = 222,714.06 : x
2. Step 2: Convert to fraction form
   404,011.50/557,510.82 = 222,714.06/x
3. Step 3: Cross multiply
   404,011.50x = 557,510.82 × 222,714.06
4. Step 4: Simplify right side
   404,011.50x = 124,165,498,216.13
5. Step 5: Solve for x
   x = 124,165,498,216.13/404,011.50
6. Step 6: Final answer
   x = 307,331.59