Finding the Fourth Proportional to 404,752.14, 558,546.83 and 223,460.78

Step by Step Solution

1. Step 1: Write the proportion equation
   404,752.14 : 558,546.83 = 223,460.78 : x
2. Step 2: Convert to fraction form
   404,752.14/558,546.83 = 223,460.78/x
3. Step 3: Cross multiply
   404,752.14x = 558,546.83 × 223,460.78
4. Step 4: Simplify right side
   404,752.14x = 124,813,307,505.59
5. Step 5: Solve for x
   x = 124,813,307,505.59/404,752.14
6. Step 6: Final answer
   x = 308,369.73