Finding the Fourth Proportional to 123,685.52, 170,685.94 and 67,096.90

Step by Step Solution

1. Step 1: Write the proportion equation
   123,685.52 : 170,685.94 = 67,096.90 : x
2. Step 2: Convert to fraction form
   123,685.52/170,685.94 = 67,096.90/x
3. Step 3: Cross multiply
   123,685.52x = 170,685.94 × 67,096.90
4. Step 4: Simplify right side
   123,685.52x = 11,452,497,447.59
5. Step 5: Solve for x
   x = 11,452,497,447.59/123,685.52
6. Step 6: Final answer
   x = 92,593.68