Finding the Fourth Proportional to 102.34, 153.50 and 33.89

Step by Step Solution

1. Step 1: Write the proportion equation
   102.34 : 153.50 = 33.89 : x
2. Step 2: Convert to fraction form
   102.34/153.50 = 33.89/x
3. Step 3: Cross multiply
   102.34x = 153.50 × 33.89
4. Step 4: Simplify right side
   102.34x = 5,202.33
5. Step 5: Solve for x
   x = 5,202.33/102.34
6. Step 6: Final answer
   x = 50.84