Finding the Fourth Proportional to 111,959.38, 167,939.25 and 33,128.95

Step by Step Solution

1. Step 1: Write the proportion equation
   111,959.38 : 167,939.25 = 33,128.95 : x
2. Step 2: Convert to fraction form
   111,959.38/167,939.25 = 33,128.95/x
3. Step 3: Cross multiply
   111,959.38x = 167,939.25 × 33,128.95
4. Step 4: Simplify right side
   111,959.38x = 5,563,651,016.29
5. Step 5: Solve for x
   x = 5,563,651,016.29/111,959.38
6. Step 6: Final answer
   x = 49,693.48