Finding the Fourth Proportional to 43.37, 59.50 and 42.23

Step by Step Solution

1. Step 1: Write the proportion equation
   43.37 : 59.50 = 42.23 : x
2. Step 2: Convert to fraction form
   43.37/59.50 = 42.23/x
3. Step 3: Cross multiply
   43.37x = 59.50 × 42.23
4. Step 4: Simplify right side
   43.37x = 2,512.69
5. Step 5: Solve for x
   x = 2,512.69/43.37
6. Step 6: Final answer
   x = 57.94