Finding the Fourth Proportional to 404,475.05, 558,174.91 and 223,186.83

Step by Step Solution

1. Step 1: Write the proportion equation
   404,475.05 : 558,174.91 = 223,186.83 : x
2. Step 2: Convert to fraction form
   404,475.05/558,174.91 = 223,186.83/x
3. Step 3: Cross multiply
   404,475.05x = 558,174.91 × 223,186.83
4. Step 4: Simplify right side
   404,475.05x = 124,577,287,632.50
5. Step 5: Solve for x
   x = 124,577,287,632.50/404,475.05
6. Step 6: Final answer
   x = 307,997.46