Finding the Fourth Proportional to 94.69, 141.72 and 76.42

Step by Step Solution

1. Step 1: Write the proportion equation
   94.69 : 141.72 = 76.42 : x
2. Step 2: Convert to fraction form
   94.69/141.72 = 76.42/x
3. Step 3: Cross multiply
   94.69x = 141.72 × 76.42
4. Step 4: Simplify right side
   94.69x = 10,830.24
5. Step 5: Solve for x
   x = 10,830.24/94.69
6. Step 6: Final answer
   x = 114.38