Finding the Fourth Proportional to 123,694.56, 170,697.78 and 67,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,694.56 : 170,697.78 = 67,104.72 : x
2. Step 2: Convert to fraction form
   123,694.56/170,697.78 = 67,104.72/x
3. Step 3: Cross multiply
   123,694.56x = 170,697.78 × 67,104.72
4. Step 4: Simplify right side
   123,694.56x = 11,454,626,731.52
5. Step 5: Solve for x
   x = 11,454,626,731.52/123,694.56
6. Step 6: Final answer
   x = 92,604.13