Finding the Fourth Proportional to 300,956.92, 415,350.25 and 171,914.69

Step by Step Solution

1. Step 1: Write the proportion equation
   300,956.92 : 415,350.25 = 171,914.69 : x
2. Step 2: Convert to fraction form
   300,956.92/415,350.25 = 171,914.69/x
3. Step 3: Cross multiply
   300,956.92x = 415,350.25 × 171,914.69
4. Step 4: Simplify right side
   300,956.92x = 71,404,810,078.76
5. Step 5: Solve for x
   x = 71,404,810,078.76/300,956.92
6. Step 6: Final answer
   x = 237,259.24