Finding the Fourth Proportional to 123,143.83, 169,936.90 and 69,446.15

Step by Step Solution

1. Step 1: Write the proportion equation
   123,143.83 : 169,936.90 = 69,446.15 : x
2. Step 2: Convert to fraction form
   123,143.83/169,936.90 = 69,446.15/x
3. Step 3: Cross multiply
   123,143.83x = 169,936.90 × 69,446.15
4. Step 4: Simplify right side
   123,143.83x = 11,801,463,447.94
5. Step 5: Solve for x
   x = 11,801,463,447.94/123,143.83
6. Step 6: Final answer
   x = 95,834.79