Finding the Fourth Proportional to 404,414.42, 558,094.29 and 223,123.46

Step by Step Solution

1. Step 1: Write the proportion equation
   404,414.42 : 558,094.29 = 223,123.46 : x
2. Step 2: Convert to fraction form
   404,414.42/558,094.29 = 223,123.46/x
3. Step 3: Cross multiply
   404,414.42x = 558,094.29 × 223,123.46
4. Step 4: Simplify right side
   404,414.42x = 124,523,928,991.04
5. Step 5: Solve for x
   x = 124,523,928,991.04/404,414.42
6. Step 6: Final answer
   x = 307,911.69