Finding the Fourth Proportional to 123,144.84, 169,936.49 and 69,429.39

Step by Step Solution

1. Step 1: Write the proportion equation
   123,144.84 : 169,936.49 = 69,429.39 : x
2. Step 2: Convert to fraction form
   123,144.84/169,936.49 = 69,429.39/x
3. Step 3: Cross multiply
   123,144.84x = 169,936.49 × 69,429.39
4. Step 4: Simplify right side
   123,144.84x = 11,798,586,492.29
5. Step 5: Solve for x
   x = 11,798,586,492.29/123,144.84
6. Step 6: Final answer
   x = 95,810.64