Finding the Fourth Proportional to 123,505.97, 170,435.97 and 69,789.83

Step by Step Solution

1. Step 1: Write the proportion equation
   123,505.97 : 170,435.97 = 69,789.83 : x
2. Step 2: Convert to fraction form
   123,505.97/170,435.97 = 69,789.83/x
3. Step 3: Cross multiply
   123,505.97x = 170,435.97 × 69,789.83
4. Step 4: Simplify right side
   123,505.97x = 11,894,696,520.01
5. Step 5: Solve for x
   x = 11,894,696,520.01/123,505.97
6. Step 6: Final answer
   x = 96,308.68