Finding the Fourth Proportional to 94.72, 142.04 and 71.82

Step by Step Solution

1. Step 1: Write the proportion equation
   94.72 : 142.04 = 71.82 : x
2. Step 2: Convert to fraction form
   94.72/142.04 = 71.82/x
3. Step 3: Cross multiply
   94.72x = 142.04 × 71.82
4. Step 4: Simplify right side
   94.72x = 10,201.31
5. Step 5: Solve for x
   x = 10,201.31/94.72
6. Step 6: Final answer
   x = 107.70