Finding the Fourth Proportional to 94.23, 141.23 and 42.82

Step by Step Solution

1. Step 1: Write the proportion equation
   94.23 : 141.23 = 42.82 : x
2. Step 2: Convert to fraction form
   94.23/141.23 = 42.82/x
3. Step 3: Cross multiply
   94.23x = 141.23 × 42.82
4. Step 4: Simplify right side
   94.23x = 6,047.22
5. Step 5: Solve for x
   x = 6,047.22/94.23
6. Step 6: Final answer
   x = 64.18