Finding the Fourth Proportional to 94.88, 142.37 and 72.05

Step by Step Solution

1. Step 1: Write the proportion equation
   94.88 : 142.37 = 72.05 : x
2. Step 2: Convert to fraction form
   94.88/142.37 = 72.05/x
3. Step 3: Cross multiply
   94.88x = 142.37 × 72.05
4. Step 4: Simplify right side
   94.88x = 10,256.69
5. Step 5: Solve for x
   x = 10,256.69/94.88
6. Step 6: Final answer
   x = 108.11