Finding the Fourth Proportional to 143,644.72, 215,518.92 and 50,164.24

Step by Step Solution

1. Step 1: Write the proportion equation
   143,644.72 : 215,518.92 = 50,164.24 : x
2. Step 2: Convert to fraction form
   143,644.72/215,518.92 = 50,164.24/x
3. Step 3: Cross multiply
   143,644.72x = 215,518.92 × 50,164.24
4. Step 4: Simplify right side
   143,644.72x = 10,811,342,827.42
5. Step 5: Solve for x
   x = 10,811,342,827.42/143,644.72
6. Step 6: Final answer
   x = 75,264.46