Finding the Fourth Proportional to 59.25, 81.83 and 42.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59.25 : 81.83 = 42.09 : x
2. Step 2: Convert to fraction form
   59.25/81.83 = 42.09/x
3. Step 3: Cross multiply
   59.25x = 81.83 × 42.09
4. Step 4: Simplify right side
   59.25x = 3,444.01
5. Step 5: Solve for x
   x = 3,444.01/59.25
6. Step 6: Final answer
   x = 58.13