Finding the Fourth Proportional to 50,535.74, 69,745.78 and 42,023.22

Step by Step Solution

1. Step 1: Write the proportion equation
   50,535.74 : 69,745.78 = 42,023.22 : x
2. Step 2: Convert to fraction form
   50,535.74/69,745.78 = 42,023.22/x
3. Step 3: Cross multiply
   50,535.74x = 69,745.78 × 42,023.22
4. Step 4: Simplify right side
   50,535.74x = 2,930,942,257.01
5. Step 5: Solve for x
   x = 2,930,942,257.01/50,535.74
6. Step 6: Final answer
   x = 57,997.41