Finding the Fourth Proportional to 143,919.38, 215,871.78 and 50,417.84

Step by Step Solution

1. Step 1: Write the proportion equation
   143,919.38 : 215,871.78 = 50,417.84 : x
2. Step 2: Convert to fraction form
   143,919.38/215,871.78 = 50,417.84/x
3. Step 3: Cross multiply
   143,919.38x = 215,871.78 × 50,417.84
4. Step 4: Simplify right side
   143,919.38x = 10,883,788,864.56
5. Step 5: Solve for x
   x = 10,883,788,864.56/143,919.38
6. Step 6: Final answer
   x = 75,624.21