Finding the Fourth Proportional to 123,554.38, 170,503.77 and 69,105.97

Step by Step Solution

1. Step 1: Write the proportion equation
   123,554.38 : 170,503.77 = 69,105.97 : x
2. Step 2: Convert to fraction form
   123,554.38/170,503.77 = 69,105.97/x
3. Step 3: Cross multiply
   123,554.38x = 170,503.77 × 69,105.97
4. Step 4: Simplify right side
   123,554.38x = 11,782,828,414.51
5. Step 5: Solve for x
   x = 11,782,828,414.51/123,554.38
6. Step 6: Final answer
   x = 95,365.53