Finding the Fourth Proportional to 143,604.28, 215,309.22 and 50,059

Step by Step Solution

1. Step 1: Write the proportion equation
   143,604.28 : 215,309.22 = 50,059 : x
2. Step 2: Convert to fraction form
   143,604.28/215,309.22 = 50,059/x
3. Step 3: Cross multiply
   143,604.28x = 215,309.22 × 50,059
4. Step 4: Simplify right side
   143,604.28x = 10,778,164,243.98
5. Step 5: Solve for x
   x = 10,778,164,243.98/143,604.28
6. Step 6: Final answer
   x = 75,054.62