Finding the Fourth Proportional to 144,147, 216,318.92 and 50,652.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,147 : 216,318.92 = 50,652.72 : x
2. Step 2: Convert to fraction form
   144,147/216,318.92 = 50,652.72/x
3. Step 3: Cross multiply
   144,147x = 216,318.92 × 50,652.72
4. Step 4: Simplify right side
   144,147x = 10,957,141,685.46
5. Step 5: Solve for x
   x = 10,957,141,685.46/144,147
6. Step 6: Final answer
   x = 76,013.66