Finding the Fourth Proportional to 181,081.20, 271,513.80 and 111,010.80

Step by Step Solution

1. Step 1: Write the proportion equation
   181,081.20 : 271,513.80 = 111,010.80 : x
2. Step 2: Convert to fraction form
   181,081.20/271,513.80 = 111,010.80/x
3. Step 3: Cross multiply
   181,081.20x = 271,513.80 × 111,010.80
4. Step 4: Simplify right side
   181,081.20x = 30,140,964,149.04
5. Step 5: Solve for x
   x = 30,140,964,149.04/181,081.20
6. Step 6: Final answer
   x = 166,449.99