Finding the Fourth Proportional to 123,144.59, 169,936.14 and 69,429.14

Step by Step Solution

1. Step 1: Write the proportion equation
   123,144.59 : 169,936.14 = 69,429.14 : x
2. Step 2: Convert to fraction form
   123,144.59/169,936.14 = 69,429.14/x
3. Step 3: Cross multiply
   123,144.59x = 169,936.14 × 69,429.14
4. Step 4: Simplify right side
   123,144.59x = 11,798,520,055.12
5. Step 5: Solve for x
   x = 11,798,520,055.12/123,144.59
6. Step 6: Final answer
   x = 95,810.30