Finding the Fourth Proportional to 404,472.73, 558,171.72 and 223,184.52

Step by Step Solution

1. Step 1: Write the proportion equation
   404,472.73 : 558,171.72 = 223,184.52 : x
2. Step 2: Convert to fraction form
   404,472.73/558,171.72 = 223,184.52/x
3. Step 3: Cross multiply
   404,472.73x = 558,171.72 × 223,184.52
4. Step 4: Simplify right side
   404,472.73x = 124,575,287,405.77
5. Step 5: Solve for x
   x = 124,575,287,405.77/404,472.73
6. Step 6: Final answer
   x = 307,994.28