Finding the Fourth Proportional to 112.16, 168.18 and 35.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112.16 : 168.18 = 35.10 : x
2. Step 2: Convert to fraction form
   112.16/168.18 = 35.10/x
3. Step 3: Cross multiply
   112.16x = 168.18 × 35.10
4. Step 4: Simplify right side
   112.16x = 5,903.12
5. Step 5: Solve for x
   x = 5,903.12/112.16
6. Step 6: Final answer
   x = 52.63