Finding the Fourth Proportional to 123,727.47, 170,744.37 and 67,138.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,727.47 : 170,744.37 = 67,138.84 : x
2. Step 2: Convert to fraction form
   123,727.47/170,744.37 = 67,138.84/x
3. Step 3: Cross multiply
   123,727.47x = 170,744.37 × 67,138.84
4. Step 4: Simplify right side
   123,727.47x = 11,463,578,938.33
5. Step 5: Solve for x
   x = 11,463,578,938.33/123,727.47
6. Step 6: Final answer
   x = 92,651.85