Finding the Fourth Proportional to 95.02, 142.31 and 72.01

Step by Step Solution

1. Step 1: Write the proportion equation
   95.02 : 142.31 = 72.01 : x
2. Step 2: Convert to fraction form
   95.02/142.31 = 72.01/x
3. Step 3: Cross multiply
   95.02x = 142.31 × 72.01
4. Step 4: Simplify right side
   95.02x = 10,248.10
5. Step 5: Solve for x
   x = 10,248.10/95.02
6. Step 6: Final answer
   x = 107.85