Finding the Fourth Proportional to 404,826.34, 558,709.61 and 235,060.47

Step by Step Solution

1. Step 1: Write the proportion equation
   404,826.34 : 558,709.61 = 235,060.47 : x
2. Step 2: Convert to fraction form
   404,826.34/558,709.61 = 235,060.47/x
3. Step 3: Cross multiply
   404,826.34x = 558,709.61 × 235,060.47
4. Step 4: Simplify right side
   404,826.34x = 131,330,543,520.12
5. Step 5: Solve for x
   x = 131,330,543,520.12/404,826.34
6. Step 6: Final answer
   x = 324,412.05