Finding the Fourth Proportional to 123,760.54, 170,789.73 and 67,171.93

Step by Step Solution

1. Step 1: Write the proportion equation
   123,760.54 : 170,789.73 = 67,171.93 : x
2. Step 2: Convert to fraction form
   123,760.54/170,789.73 = 67,171.93/x
3. Step 3: Cross multiply
   123,760.54x = 170,789.73 × 67,171.93
4. Step 4: Simplify right side
   123,760.54x = 11,472,275,788.28
5. Step 5: Solve for x
   x = 11,472,275,788.28/123,760.54
6. Step 6: Final answer
   x = 92,697.36