Finding the Fourth Proportional to 123,744.51, 170,766.43 and 67,155.89

Step by Step Solution

1. Step 1: Write the proportion equation
   123,744.51 : 170,766.43 = 67,155.89 : x
2. Step 2: Convert to fraction form
   123,744.51/170,766.43 = 67,155.89/x
3. Step 3: Cross multiply
   123,744.51x = 170,766.43 × 67,155.89
4. Step 4: Simplify right side
   123,744.51x = 11,467,970,567.05
5. Step 5: Solve for x
   x = 11,467,970,567.05/123,744.51
6. Step 6: Final answer
   x = 92,674.58