Finding the Fourth Proportional to 123,685.69, 170,686.58 and 67,097.07

Step by Step Solution

1. Step 1: Write the proportion equation
   123,685.69 : 170,686.58 = 67,097.07 : x
2. Step 2: Convert to fraction form
   123,685.69/170,686.58 = 67,097.07/x
3. Step 3: Cross multiply
   123,685.69x = 170,686.58 × 67,097.07
4. Step 4: Simplify right side
   123,685.69x = 11,452,568,552.89
5. Step 5: Solve for x
   x = 11,452,568,552.89/123,685.69
6. Step 6: Final answer
   x = 92,594.13