Finding the Fourth Proportional to 68.66, 94.72 and 42.42

Step by Step Solution

1. Step 1: Write the proportion equation
   68.66 : 94.72 = 42.42 : x
2. Step 2: Convert to fraction form
   68.66/94.72 = 42.42/x
3. Step 3: Cross multiply
   68.66x = 94.72 × 42.42
4. Step 4: Simplify right side
   68.66x = 4,018.02
5. Step 5: Solve for x
   x = 4,018.02/68.66
6. Step 6: Final answer
   x = 58.52