Finding the Fourth Proportional to 123,959.72, 171,063.59 and 67,371.09

Step by Step Solution

1. Step 1: Write the proportion equation
   123,959.72 : 171,063.59 = 67,371.09 : x
2. Step 2: Convert to fraction form
   123,959.72/171,063.59 = 67,371.09/x
3. Step 3: Cross multiply
   123,959.72x = 171,063.59 × 67,371.09
4. Step 4: Simplify right side
   123,959.72x = 11,524,740,180.76
5. Step 5: Solve for x
   x = 11,524,740,180.76/123,959.72
6. Step 6: Final answer
   x = 92,971.66