Finding the Fourth Proportional to 144,069.75, 216,105.84 and 50,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,069.75 : 216,105.84 = 50,575.50 : x
2. Step 2: Convert to fraction form
   144,069.75/216,105.84 = 50,575.50/x
3. Step 3: Cross multiply
   144,069.75x = 216,105.84 × 50,575.50
4. Step 4: Simplify right side
   144,069.75x = 10,929,660,910.92
5. Step 5: Solve for x
   x = 10,929,660,910.92/144,069.75
6. Step 6: Final answer
   x = 75,863.68