Finding the Fourth Proportional to 123,960.78, 171,067.01 and 67,372.29

Step by Step Solution

1. Step 1: Write the proportion equation
   123,960.78 : 171,067.01 = 67,372.29 : x
2. Step 2: Convert to fraction form
   123,960.78/171,067.01 = 67,372.29/x
3. Step 3: Cross multiply
   123,960.78x = 171,067.01 × 67,372.29
4. Step 4: Simplify right side
   123,960.78x = 11,525,175,870.29
5. Step 5: Solve for x
   x = 11,525,175,870.29/123,960.78
6. Step 6: Final answer
   x = 92,974.37