Finding the Fourth Proportional to 123,146.62, 169,942.07 and 69,431.27

Step by Step Solution

1. Step 1: Write the proportion equation
   123,146.62 : 169,942.07 = 69,431.27 : x
2. Step 2: Convert to fraction form
   123,146.62/169,942.07 = 69,431.27/x
3. Step 3: Cross multiply
   123,146.62x = 169,942.07 × 69,431.27
4. Step 4: Simplify right side
   123,146.62x = 11,799,293,070.40
5. Step 5: Solve for x
   x = 11,799,293,070.40/123,146.62
6. Step 6: Final answer
   x = 95,815.00