Finding the Fourth Proportional to 143,580.42, 215,469.18 and 50,086.17

Step by Step Solution

1. Step 1: Write the proportion equation
   143,580.42 : 215,469.18 = 50,086.17 : x
2. Step 2: Convert to fraction form
   143,580.42/215,469.18 = 50,086.17/x
3. Step 3: Cross multiply
   143,580.42x = 215,469.18 × 50,086.17
4. Step 4: Simplify right side
   143,580.42x = 10,792,025,979.24
5. Step 5: Solve for x
   x = 10,792,025,979.24/143,580.42
6. Step 6: Final answer
   x = 75,163.63