Finding the Fourth Proportional to 112.28, 168.42 and 35.25

Step by Step Solution

1. Step 1: Write the proportion equation
   112.28 : 168.42 = 35.25 : x
2. Step 2: Convert to fraction form
   112.28/168.42 = 35.25/x
3. Step 3: Cross multiply
   112.28x = 168.42 × 35.25
4. Step 4: Simplify right side
   112.28x = 5,936.81
5. Step 5: Solve for x
   x = 5,936.81/112.28
6. Step 6: Final answer
   x = 52.88