Finding the Fourth Proportional to 94.72, 141.41 and 85.06

Step by Step Solution

1. Step 1: Write the proportion equation
   94.72 : 141.41 = 85.06 : x
2. Step 2: Convert to fraction form
   94.72/141.41 = 85.06/x
3. Step 3: Cross multiply
   94.72x = 141.41 × 85.06
4. Step 4: Simplify right side
   94.72x = 12,028.33
5. Step 5: Solve for x
   x = 12,028.33/94.72
6. Step 6: Final answer
   x = 126.99