Finding the Fourth Proportional to 112.42, 168.62 and 35.39

Step by Step Solution

1. Step 1: Write the proportion equation
   112.42 : 168.62 = 35.39 : x
2. Step 2: Convert to fraction form
   112.42/168.62 = 35.39/x
3. Step 3: Cross multiply
   112.42x = 168.62 × 35.39
4. Step 4: Simplify right side
   112.42x = 5,967.46
5. Step 5: Solve for x
   x = 5,967.46/112.42
6. Step 6: Final answer
   x = 53.08