Finding the Fourth Proportional to 404,525.50, 558,245.43 and 225,677.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,525.50 : 558,245.43 = 225,677.50 : x
2. Step 2: Convert to fraction form
   404,525.50/558,245.43 = 225,677.50/x
3. Step 3: Cross multiply
   404,525.50x = 558,245.43 × 225,677.50
4. Step 4: Simplify right side
   404,525.50x = 125,983,433,028.83
5. Step 5: Solve for x
   x = 125,983,433,028.83/404,525.50
6. Step 6: Final answer
   x = 311,435.08