Finding the Fourth Proportional to 143,561.25, 215,343.70 and 50,067

Step by Step Solution

1. Step 1: Write the proportion equation
   143,561.25 : 215,343.70 = 50,067 : x
2. Step 2: Convert to fraction form
   143,561.25/215,343.70 = 50,067/x
3. Step 3: Cross multiply
   143,561.25x = 215,343.70 × 50,067
4. Step 4: Simplify right side
   143,561.25x = 10,781,612,902.73
5. Step 5: Solve for x
   x = 10,781,612,902.73/143,561.25
6. Step 6: Final answer
   x = 75,101.14