Finding the Fourth Proportional to 144,143.96, 216,314.38 and 50,649.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,143.96 : 216,314.38 = 50,649.72 : x
2. Step 2: Convert to fraction form
   144,143.96/216,314.38 = 50,649.72/x
3. Step 3: Cross multiply
   144,143.96x = 216,314.38 × 50,649.72
4. Step 4: Simplify right side
   144,143.96x = 10,956,262,778.97
5. Step 5: Solve for x
   x = 10,956,262,778.97/144,143.96
6. Step 6: Final answer
   x = 76,009.17