Finding the Fourth Proportional to 123,969.98, 171,078.81 and 67,381.22

Step by Step Solution

1. Step 1: Write the proportion equation
   123,969.98 : 171,078.81 = 67,381.22 : x
2. Step 2: Convert to fraction form
   123,969.98/171,078.81 = 67,381.22/x
3. Step 3: Cross multiply
   123,969.98x = 171,078.81 × 67,381.22
4. Step 4: Simplify right side
   123,969.98x = 11,527,498,933.95
5. Step 5: Solve for x
   x = 11,527,498,933.95/123,969.98
6. Step 6: Final answer
   x = 92,986.21