Finding the Fourth Proportional to 94.18, 141.06 and 71.38

Step by Step Solution

1. Step 1: Write the proportion equation
   94.18 : 141.06 = 71.38 : x
2. Step 2: Convert to fraction form
   94.18/141.06 = 71.38/x
3. Step 3: Cross multiply
   94.18x = 141.06 × 71.38
4. Step 4: Simplify right side
   94.18x = 10,068.86
5. Step 5: Solve for x
   x = 10,068.86/94.18
6. Step 6: Final answer
   x = 106.91