Finding the Fourth Proportional to 62.82, 86.69 and 35.18

Step by Step Solution

1. Step 1: Write the proportion equation
   62.82 : 86.69 = 35.18 : x
2. Step 2: Convert to fraction form
   62.82/86.69 = 35.18/x
3. Step 3: Cross multiply
   62.82x = 86.69 × 35.18
4. Step 4: Simplify right side
   62.82x = 3,049.73
5. Step 5: Solve for x
   x = 3,049.73/62.82
6. Step 6: Final answer
   x = 48.55