Finding the Fourth Proportional to 300,931.92, 451,456.92 and 111,393.94

Step by Step Solution

1. Step 1: Write the proportion equation
   300,931.92 : 451,456.92 = 111,393.94 : x
2. Step 2: Convert to fraction form
   300,931.92/451,456.92 = 111,393.94/x
3. Step 3: Cross multiply
   300,931.92x = 451,456.92 × 111,393.94
4. Step 4: Simplify right side
   300,931.92x = 50,289,565,059.06
5. Step 5: Solve for x
   x = 50,289,565,059.06/300,931.92
6. Step 6: Final answer
   x = 167,112.76