Finding the Fourth Proportional to 109.59, 164.52 and 63.42

Step by Step Solution

1. Step 1: Write the proportion equation
   109.59 : 164.52 = 63.42 : x
2. Step 2: Convert to fraction form
   109.59/164.52 = 63.42/x
3. Step 3: Cross multiply
   109.59x = 164.52 × 63.42
4. Step 4: Simplify right side
   109.59x = 10,433.86
5. Step 5: Solve for x
   x = 10,433.86/109.59
6. Step 6: Final answer
   x = 95.21