Finding the Fourth Proportional to 404,323.13, 557,959 and 223,052.42

Step by Step Solution

1. Step 1: Write the proportion equation
   404,323.13 : 557,959 = 223,052.42 : x
2. Step 2: Convert to fraction form
   404,323.13/557,959 = 223,052.42/x
3. Step 3: Cross multiply
   404,323.13x = 557,959 × 223,052.42
4. Step 4: Simplify right side
   404,323.13x = 124,454,105,210.78
5. Step 5: Solve for x
   x = 124,454,105,210.78/404,323.13
6. Step 6: Final answer
   x = 307,808.52