Finding the Fourth Proportional to 123,018.57, 169,766.15 and 69,304.23

Step by Step Solution

1. Step 1: Write the proportion equation
   123,018.57 : 169,766.15 = 69,304.23 : x
2. Step 2: Convert to fraction form
   123,018.57/169,766.15 = 69,304.23/x
3. Step 3: Cross multiply
   123,018.57x = 169,766.15 × 69,304.23
4. Step 4: Simplify right side
   123,018.57x = 11,765,511,959.29
5. Step 5: Solve for x
   x = 11,765,511,959.29/123,018.57
6. Step 6: Final answer
   x = 95,640.13