Finding the Fourth Proportional to 83.25, 124.83 and 42.08

Step by Step Solution

1. Step 1: Write the proportion equation
   83.25 : 124.83 = 42.08 : x
2. Step 2: Convert to fraction form
   83.25/124.83 = 42.08/x
3. Step 3: Cross multiply
   83.25x = 124.83 × 42.08
4. Step 4: Simplify right side
   83.25x = 5,252.22
5. Step 5: Solve for x
   x = 5,252.22/83.25
6. Step 6: Final answer
   x = 63.09