Finding the Fourth Proportional to 123,761.18, 170,785.86 and 67,171.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,761.18 : 170,785.86 = 67,171.34 : x
2. Step 2: Convert to fraction form
   123,761.18/170,785.86 = 67,171.34/x
3. Step 3: Cross multiply
   123,761.18x = 170,785.86 × 67,171.34
4. Step 4: Simplify right side
   123,761.18x = 11,471,915,069.25
5. Step 5: Solve for x
   x = 11,471,915,069.25/123,761.18
6. Step 6: Final answer
   x = 92,693.97