Finding the Fourth Proportional to 79.34, 119.08 and 42.82

Step by Step Solution

1. Step 1: Write the proportion equation
   79.34 : 119.08 = 42.82 : x
2. Step 2: Convert to fraction form
   79.34/119.08 = 42.82/x
3. Step 3: Cross multiply
   79.34x = 119.08 × 42.82
4. Step 4: Simplify right side
   79.34x = 5,099.01
5. Step 5: Solve for x
   x = 5,099.01/79.34
6. Step 6: Final answer
   x = 64.27