Finding the Fourth Proportional to 111,945.69, 167,940.72 and 31,984.35

Step by Step Solution

1. Step 1: Write the proportion equation
   111,945.69 : 167,940.72 = 31,984.35 : x
2. Step 2: Convert to fraction form
   111,945.69/167,940.72 = 31,984.35/x
3. Step 3: Cross multiply
   111,945.69x = 167,940.72 × 31,984.35
4. Step 4: Simplify right side
   111,945.69x = 5,371,474,767.73
5. Step 5: Solve for x
   x = 5,371,474,767.73/111,945.69
6. Step 6: Final answer
   x = 47,982.86