Finding the Fourth Proportional to 143,640.72, 215,512.92 and 50,160.24

Step by Step Solution

1. Step 1: Write the proportion equation
   143,640.72 : 215,512.92 = 50,160.24 : x
2. Step 2: Convert to fraction form
   143,640.72/215,512.92 = 50,160.24/x
3. Step 3: Cross multiply
   143,640.72x = 215,512.92 × 50,160.24
4. Step 4: Simplify right side
   143,640.72x = 10,810,179,790.30
5. Step 5: Solve for x
   x = 10,810,179,790.30/143,640.72
6. Step 6: Final answer
   x = 75,258.46