Finding the Fourth Proportional to 111,750.74, 167,736.27 and 82,085.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,750.74 : 167,736.27 = 82,085.30 : x
2. Step 2: Convert to fraction form
   111,750.74/167,736.27 = 82,085.30/x
3. Step 3: Cross multiply
   111,750.74x = 167,736.27 × 82,085.30
4. Step 4: Simplify right side
   111,750.74x = 13,768,682,043.83
5. Step 5: Solve for x
   x = 13,768,682,043.83/111,750.74
6. Step 6: Final answer
   x = 123,208.87