Finding the Fourth Proportional to 404,458, 558,152.04 and 225,610

Step by Step Solution

1. Step 1: Write the proportion equation
   404,458 : 558,152.04 = 225,610 : x
2. Step 2: Convert to fraction form
   404,458/558,152.04 = 225,610/x
3. Step 3: Cross multiply
   404,458x = 558,152.04 × 225,610
4. Step 4: Simplify right side
   404,458x = 125,924,681,744.40
5. Step 5: Solve for x
   x = 125,924,681,744.40/404,458
6. Step 6: Final answer
   x = 311,341.80