Finding the Fourth Proportional to 404,402.45, 558,077.33 and 223,114.37

Step by Step Solution

1. Step 1: Write the proportion equation
   404,402.45 : 558,077.33 = 223,114.37 : x
2. Step 2: Convert to fraction form
   404,402.45/558,077.33 = 223,114.37/x
3. Step 3: Cross multiply
   404,402.45x = 558,077.33 × 223,114.37
4. Step 4: Simplify right side
   404,402.45x = 124,515,070,778.66
5. Step 5: Solve for x
   x = 124,515,070,778.66/404,402.45
6. Step 6: Final answer
   x = 307,898.90