Finding the Fourth Proportional to 50,176.72, 69,241.79 and 30,021.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,176.72 : 69,241.79 = 30,021.69 : x
2. Step 2: Convert to fraction form
   50,176.72/69,241.79 = 30,021.69/x
3. Step 3: Cross multiply
   50,176.72x = 69,241.79 × 30,021.69
4. Step 4: Simplify right side
   50,176.72x = 2,078,755,330.78
5. Step 5: Solve for x
   x = 2,078,755,330.78/50,176.72
6. Step 6: Final answer
   x = 41,428.68