Finding the Fourth Proportional to 144,144.96, 216,315.88 and 50,650.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,144.96 : 216,315.88 = 50,650.72 : x
2. Step 2: Convert to fraction form
   144,144.96/216,315.88 = 50,650.72/x
3. Step 3: Cross multiply
   144,144.96x = 216,315.88 × 50,650.72
4. Step 4: Simplify right side
   144,144.96x = 10,956,555,069.43
5. Step 5: Solve for x
   x = 10,956,555,069.43/144,144.96
6. Step 6: Final answer
   x = 76,010.67