Finding the Fourth Proportional to 404,633.48, 558,407.72 and 220,882.95

Step by Step Solution

1. Step 1: Write the proportion equation
   404,633.48 : 558,407.72 = 220,882.95 : x
2. Step 2: Convert to fraction form
   404,633.48/558,407.72 = 220,882.95/x
3. Step 3: Cross multiply
   404,633.48x = 558,407.72 × 220,882.95
4. Step 4: Simplify right side
   404,633.48x = 123,342,745,048.58
5. Step 5: Solve for x
   x = 123,342,745,048.58/404,633.48
6. Step 6: Final answer
   x = 304,825.86