Finding the Fourth Proportional to 300,504.42, 414,716.22 and 173,188.62

Step by Step Solution

1. Step 1: Write the proportion equation
   300,504.42 : 414,716.22 = 173,188.62 : x
2. Step 2: Convert to fraction form
   300,504.42/414,716.22 = 173,188.62/x
3. Step 3: Cross multiply
   300,504.42x = 414,716.22 × 173,188.62
4. Step 4: Simplify right side
   300,504.42x = 71,824,129,833.42
5. Step 5: Solve for x
   x = 71,824,129,833.42/300,504.42
6. Step 6: Final answer
   x = 239,011.89