Finding the Fourth Proportional to 94.95, 142.42 and 72.25

Step by Step Solution

1. Step 1: Write the proportion equation
   94.95 : 142.42 = 72.25 : x
2. Step 2: Convert to fraction form
   94.95/142.42 = 72.25/x
3. Step 3: Cross multiply
   94.95x = 142.42 × 72.25
4. Step 4: Simplify right side
   94.95x = 10,289.31
5. Step 5: Solve for x
   x = 10,289.31/94.95
6. Step 6: Final answer
   x = 108.37