Finding the Fourth Proportional to 404,827.89, 558,659.75 and 223,551.24

Step by Step Solution

1. Step 1: Write the proportion equation
   404,827.89 : 558,659.75 = 223,551.24 : x
2. Step 2: Convert to fraction form
   404,827.89/558,659.75 = 223,551.24/x
3. Step 3: Cross multiply
   404,827.89x = 558,659.75 × 223,551.24
4. Step 4: Simplify right side
   404,827.89x = 124,889,078,732.83
5. Step 5: Solve for x
   x = 124,889,078,732.83/404,827.89
6. Step 6: Final answer
   x = 308,499.20