Finding the Fourth Proportional to 143,910.84, 215,735.58 and 50,365.56

Step by Step Solution

1. Step 1: Write the proportion equation
   143,910.84 : 215,735.58 = 50,365.56 : x
2. Step 2: Convert to fraction form
   143,910.84/215,735.58 = 50,365.56/x
3. Step 3: Cross multiply
   143,910.84x = 215,735.58 × 50,365.56
4. Step 4: Simplify right side
   143,910.84x = 10,865,643,298.62
5. Step 5: Solve for x
   x = 10,865,643,298.62/143,910.84
6. Step 6: Final answer
   x = 75,502.60