Finding the Fourth Proportional to 155.63, 233.31 and 59.42

Step by Step Solution

1. Step 1: Write the proportion equation
   155.63 : 233.31 = 59.42 : x
2. Step 2: Convert to fraction form
   155.63/233.31 = 59.42/x
3. Step 3: Cross multiply
   155.63x = 233.31 × 59.42
4. Step 4: Simplify right side
   155.63x = 13,863.28
5. Step 5: Solve for x
   x = 13,863.28/155.63
6. Step 6: Final answer
   x = 89.08