Finding the Fourth Proportional to 404,979, 558,871.04 and 226,131

Step by Step Solution

1. Step 1: Write the proportion equation
   404,979 : 558,871.04 = 226,131 : x
2. Step 2: Convert to fraction form
   404,979/558,871.04 = 226,131/x
3. Step 3: Cross multiply
   404,979x = 558,871.04 × 226,131
4. Step 4: Simplify right side
   404,979x = 126,378,067,146.24
5. Step 5: Solve for x
   x = 126,378,067,146.24/404,979
6. Step 6: Final answer
   x = 312,060.79