Finding the Fourth Proportional to 59.91, 82.73 and 43.58

Step by Step Solution

1. Step 1: Write the proportion equation
   59.91 : 82.73 = 43.58 : x
2. Step 2: Convert to fraction form
   59.91/82.73 = 43.58/x
3. Step 3: Cross multiply
   59.91x = 82.73 × 43.58
4. Step 4: Simplify right side
   59.91x = 3,605.37
5. Step 5: Solve for x
   x = 3,605.37/59.91
6. Step 6: Final answer
   x = 60.18