Finding the Fourth Proportional to 42.06, 62.83 and 35.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42.06 : 62.83 = 35.22 : x
2. Step 2: Convert to fraction form
   42.06/62.83 = 35.22/x
3. Step 3: Cross multiply
   42.06x = 62.83 × 35.22
4. Step 4: Simplify right side
   42.06x = 2,212.70
5. Step 5: Solve for x
   x = 2,212.70/42.06
6. Step 6: Final answer
   x = 52.61