Finding the Fourth Proportional to 404,825.60, 558,708.58 and 235,059.72

Step by Step Solution

1. Step 1: Write the proportion equation
   404,825.60 : 558,708.58 = 235,059.72 : x
2. Step 2: Convert to fraction form
   404,825.60/558,708.58 = 235,059.72/x
3. Step 3: Cross multiply
   404,825.60x = 558,708.58 × 235,059.72
4. Step 4: Simplify right side
   404,825.60x = 131,329,881,788.75
5. Step 5: Solve for x
   x = 131,329,881,788.75/404,825.60
6. Step 6: Final answer
   x = 324,411.01