Finding the Fourth Proportional to 123,732.86, 170,751.78 and 67,144.23

Step by Step Solution

1. Step 1: Write the proportion equation
   123,732.86 : 170,751.78 = 67,144.23 : x
2. Step 2: Convert to fraction form
   123,732.86/170,751.78 = 67,144.23/x
3. Step 3: Cross multiply
   123,732.86x = 170,751.78 × 67,144.23
4. Step 4: Simplify right side
   123,732.86x = 11,464,996,789.23
5. Step 5: Solve for x
   x = 11,464,996,789.23/123,732.86
6. Step 6: Final answer
   x = 92,659.28