Finding the Fourth Proportional to 94.47, 141.53 and 71.69

Step by Step Solution

1. Step 1: Write the proportion equation
   94.47 : 141.53 = 71.69 : x
2. Step 2: Convert to fraction form
   94.47/141.53 = 71.69/x
3. Step 3: Cross multiply
   94.47x = 141.53 × 71.69
4. Step 4: Simplify right side
   94.47x = 10,145.62
5. Step 5: Solve for x
   x = 10,145.62/94.47
6. Step 6: Final answer
   x = 107.40