Finding the Fourth Proportional to 50,150.88, 69,183.72 and 42,190.20

Step by Step Solution

1. Step 1: Write the proportion equation
   50,150.88 : 69,183.72 = 42,190.20 : x
2. Step 2: Convert to fraction form
   50,150.88/69,183.72 = 42,190.20/x
3. Step 3: Cross multiply
   50,150.88x = 69,183.72 × 42,190.20
4. Step 4: Simplify right side
   50,150.88x = 2,918,874,983.54
5. Step 5: Solve for x
   x = 2,918,874,983.54/50,150.88
6. Step 6: Final answer
   x = 58,201.87