Finding the Fourth Proportional to 404,426.94, 558,107.56 and 223,150.14

Step by Step Solution

1. Step 1: Write the proportion equation
   404,426.94 : 558,107.56 = 223,150.14 : x
2. Step 2: Convert to fraction form
   404,426.94/558,107.56 = 223,150.14/x
3. Step 3: Cross multiply
   404,426.94x = 558,107.56 × 223,150.14
4. Step 4: Simplify right side
   404,426.94x = 124,541,780,149.06
5. Step 5: Solve for x
   x = 124,541,780,149.06/404,426.94
6. Step 6: Final answer
   x = 307,946.30