Finding the Fourth Proportional to 59.35, 81.82 and 42.76

Step by Step Solution

1. Step 1: Write the proportion equation
   59.35 : 81.82 = 42.76 : x
2. Step 2: Convert to fraction form
   59.35/81.82 = 42.76/x
3. Step 3: Cross multiply
   59.35x = 81.82 × 42.76
4. Step 4: Simplify right side
   59.35x = 3,498.62
5. Step 5: Solve for x
   x = 3,498.62/59.35
6. Step 6: Final answer
   x = 58.95