Finding the Fourth Proportional to 111,768.24, 167,762.52 and 82,102.80

Step by Step Solution

1. Step 1: Write the proportion equation
   111,768.24 : 167,762.52 = 82,102.80 : x
2. Step 2: Convert to fraction form
   111,768.24/167,762.52 = 82,102.80/x
3. Step 3: Cross multiply
   111,768.24x = 167,762.52 × 82,102.80
4. Step 4: Simplify right side
   111,768.24x = 13,773,772,627.06
5. Step 5: Solve for x
   x = 13,773,772,627.06/111,768.24
6. Step 6: Final answer
   x = 123,235.12