Finding the Fourth Proportional to 404,594, 558,339.72 and 225,746

Step by Step Solution

1. Step 1: Write the proportion equation
   404,594 : 558,339.72 = 225,746 : x
2. Step 2: Convert to fraction form
   404,594/558,339.72 = 225,746/x
3. Step 3: Cross multiply
   404,594x = 558,339.72 × 225,746
4. Step 4: Simplify right side
   404,594x = 126,042,958,431.12
5. Step 5: Solve for x
   x = 126,042,958,431.12/404,594
6. Step 6: Final answer
   x = 311,529.48