Finding the Fourth Proportional to 103.81, 155.72 and 35.33

Step by Step Solution

1. Step 1: Write the proportion equation
   103.81 : 155.72 = 35.33 : x
2. Step 2: Convert to fraction form
   103.81/155.72 = 35.33/x
3. Step 3: Cross multiply
   103.81x = 155.72 × 35.33
4. Step 4: Simplify right side
   103.81x = 5,501.59
5. Step 5: Solve for x
   x = 5,501.59/103.81
6. Step 6: Final answer
   x = 53.00