Finding the Fourth Proportional to 233.62, 350.52 and 89.30

Step by Step Solution

1. Step 1: Write the proportion equation
   233.62 : 350.52 = 89.30 : x
2. Step 2: Convert to fraction form
   233.62/350.52 = 89.30/x
3. Step 3: Cross multiply
   233.62x = 350.52 × 89.30
4. Step 4: Simplify right side
   233.62x = 31,302.31
5. Step 5: Solve for x
   x = 31,302.31/233.62
6. Step 6: Final answer
   x = 133.99