Finding the Fourth Proportional to 123,691.49, 170,694.69 and 67,103.27

Step by Step Solution

1. Step 1: Write the proportion equation
   123,691.49 : 170,694.69 = 67,103.27 : x
2. Step 2: Convert to fraction form
   123,691.49/170,694.69 = 67,103.27/x
3. Step 3: Cross multiply
   123,691.49x = 170,694.69 × 67,103.27
4. Step 4: Simplify right side
   123,691.49x = 11,454,171,870.64
5. Step 5: Solve for x
   x = 11,454,171,870.64/123,691.49
6. Step 6: Final answer
   x = 92,602.75