Finding the Fourth Proportional to 95.57, 142.52 and 88.09

Step by Step Solution

1. Step 1: Write the proportion equation
   95.57 : 142.52 = 88.09 : x
2. Step 2: Convert to fraction form
   95.57/142.52 = 88.09/x
3. Step 3: Cross multiply
   95.57x = 142.52 × 88.09
4. Step 4: Simplify right side
   95.57x = 12,554.59
5. Step 5: Solve for x
   x = 12,554.59/95.57
6. Step 6: Final answer
   x = 131.37