Finding the Fourth Proportional to 103.55, 142.88 and 94.82

Step by Step Solution

1. Step 1: Write the proportion equation
   103.55 : 142.88 = 94.82 : x
2. Step 2: Convert to fraction form
   103.55/142.88 = 94.82/x
3. Step 3: Cross multiply
   103.55x = 142.88 × 94.82
4. Step 4: Simplify right side
   103.55x = 13,546.69
5. Step 5: Solve for x
   x = 13,546.69/103.55
6. Step 6: Final answer
   x = 130.83