Finding the Fourth Proportional to 298,323.58, 447,470.79 and 111,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   298,323.58 : 447,470.79 = 111,320.50 : x
2. Step 2: Convert to fraction form
   298,323.58/447,470.79 = 111,320.50/x
3. Step 3: Cross multiply
   298,323.58x = 447,470.79 × 111,320.50
4. Step 4: Simplify right side
   298,323.58x = 49,812,672,078.20
5. Step 5: Solve for x
   x = 49,812,672,078.20/298,323.58
6. Step 6: Final answer
   x = 166,975.31