Finding the Fourth Proportional to 123,970.42, 171,078.24 and 67,382.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,970.42 : 171,078.24 = 67,382.20 : x
2. Step 2: Convert to fraction form
   123,970.42/171,078.24 = 67,382.20/x
3. Step 3: Cross multiply
   123,970.42x = 171,078.24 × 67,382.20
4. Step 4: Simplify right side
   123,970.42x = 11,527,628,183.33
5. Step 5: Solve for x
   x = 11,527,628,183.33/123,970.42
6. Step 6: Final answer
   x = 92,986.93