Finding the Fourth Proportional to 50,170.70, 69,228.72 and 30,022.89

Step by Step Solution

1. Step 1: Write the proportion equation
   50,170.70 : 69,228.72 = 30,022.89 : x
2. Step 2: Convert to fraction form
   50,170.70/69,228.72 = 30,022.89/x
3. Step 3: Cross multiply
   50,170.70x = 69,228.72 × 30,022.89
4. Step 4: Simplify right side
   50,170.70x = 2,078,446,245.40
5. Step 5: Solve for x
   x = 2,078,446,245.40/50,170.70
6. Step 6: Final answer
   x = 41,427.50