Finding the Fourth Proportional to 94.37, 141.77 and 89.18

Step by Step Solution

1. Step 1: Write the proportion equation
   94.37 : 141.77 = 89.18 : x
2. Step 2: Convert to fraction form
   94.37/141.77 = 89.18/x
3. Step 3: Cross multiply
   94.37x = 141.77 × 89.18
4. Step 4: Simplify right side
   94.37x = 12,642.96
5. Step 5: Solve for x
   x = 12,642.96/94.37
6. Step 6: Final answer
   x = 133.98