Finding the Fourth Proportional to 123,757.34, 170,785.60 and 67,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,757.34 : 170,785.60 = 67,168.72 : x
2. Step 2: Convert to fraction form
   123,757.34/170,785.60 = 67,168.72/x
3. Step 3: Cross multiply
   123,757.34x = 170,785.60 × 67,168.72
4. Step 4: Simplify right side
   123,757.34x = 11,471,450,146.43
5. Step 5: Solve for x
   x = 11,471,450,146.43/123,757.34
6. Step 6: Final answer
   x = 92,693.09