Finding the Fourth Proportional to 144,136.12, 216,215.70 and 50,662.84

Step by Step Solution

1. Step 1: Write the proportion equation
   144,136.12 : 216,215.70 = 50,662.84 : x
2. Step 2: Convert to fraction form
   144,136.12/216,215.70 = 50,662.84/x
3. Step 3: Cross multiply
   144,136.12x = 216,215.70 × 50,662.84
4. Step 4: Simplify right side
   144,136.12x = 10,954,101,414.59
5. Step 5: Solve for x
   x = 10,954,101,414.59/144,136.12
6. Step 6: Final answer
   x = 75,998.31