Finding the Fourth Proportional to 123,185.73, 170,023.52 and 80,090.22

Step by Step Solution

1. Step 1: Write the proportion equation
   123,185.73 : 170,023.52 = 80,090.22 : x
2. Step 2: Convert to fraction form
   123,185.73/170,023.52 = 80,090.22/x
3. Step 3: Cross multiply
   123,185.73x = 170,023.52 × 80,090.22
4. Step 4: Simplify right side
   123,185.73x = 13,617,220,721.52
5. Step 5: Solve for x
   x = 13,617,220,721.52/123,185.73
6. Step 6: Final answer
   x = 110,542.19