Finding the Fourth Proportional to 59.39, 81.98 and 43.05

Step by Step Solution

1. Step 1: Write the proportion equation
   59.39 : 81.98 = 43.05 : x
2. Step 2: Convert to fraction form
   59.39/81.98 = 43.05/x
3. Step 3: Cross multiply
   59.39x = 81.98 × 43.05
4. Step 4: Simplify right side
   59.39x = 3,529.24
5. Step 5: Solve for x
   x = 3,529.24/59.39
6. Step 6: Final answer
   x = 59.42