Finding the Fourth Proportional to 62.76, 94.14 and 42.42

Step by Step Solution

1. Step 1: Write the proportion equation
   62.76 : 94.14 = 42.42 : x
2. Step 2: Convert to fraction form
   62.76/94.14 = 42.42/x
3. Step 3: Cross multiply
   62.76x = 94.14 × 42.42
4. Step 4: Simplify right side
   62.76x = 3,993.42
5. Step 5: Solve for x
   x = 3,993.42/62.76
6. Step 6: Final answer
   x = 63.63