Finding the Fourth Proportional to 111,456.72, 167,303.16 and 108,951.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,456.72 : 167,303.16 = 108,951.12 : x
2. Step 2: Convert to fraction form
   111,456.72/167,303.16 = 108,951.12/x
3. Step 3: Cross multiply
   111,456.72x = 167,303.16 × 108,951.12
4. Step 4: Simplify right side
   111,456.72x = 18,227,866,661.54
5. Step 5: Solve for x
   x = 18,227,866,661.54/111,456.72
6. Step 6: Final answer
   x = 163,542.11