Finding the Fourth Proportional to 42.42, 58.50 and 35.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42.42 : 58.50 = 35.94 : x
2. Step 2: Convert to fraction form
   42.42/58.50 = 35.94/x
3. Step 3: Cross multiply
   42.42x = 58.50 × 35.94
4. Step 4: Simplify right side
   42.42x = 2,102.49
5. Step 5: Solve for x
   x = 2,102.49/42.42
6. Step 6: Final answer
   x = 49.56