Finding the Fourth Proportional to 111,976.38, 167,970.69 and 45,406.62

Step by Step Solution

1. Step 1: Write the proportion equation
   111,976.38 : 167,970.69 = 45,406.62 : x
2. Step 2: Convert to fraction form
   111,976.38/167,970.69 = 45,406.62/x
3. Step 3: Cross multiply
   111,976.38x = 167,970.69 × 45,406.62
4. Step 4: Simplify right side
   111,976.38x = 7,626,981,291.97
5. Step 5: Solve for x
   x = 7,626,981,291.97/111,976.38
6. Step 6: Final answer
   x = 68,112.41