Finding the Fourth Proportional to 123,859.92, 170,926.56 and 67,271.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,859.92 : 170,926.56 = 67,271.34 : x
2. Step 2: Convert to fraction form
   123,859.92/170,926.56 = 67,271.34/x
3. Step 3: Cross multiply
   123,859.92x = 170,926.56 × 67,271.34
4. Step 4: Simplify right side
   123,859.92x = 11,498,458,732.79
5. Step 5: Solve for x
   x = 11,498,458,732.79/123,859.92
6. Step 6: Final answer
   x = 92,834.38