Finding the Fourth Proportional to 106.01, 146.31 and 73.31

Step by Step Solution

1. Step 1: Write the proportion equation
   106.01 : 146.31 = 73.31 : x
2. Step 2: Convert to fraction form
   106.01/146.31 = 73.31/x
3. Step 3: Cross multiply
   106.01x = 146.31 × 73.31
4. Step 4: Simplify right side
   106.01x = 10,724.98
5. Step 5: Solve for x
   x = 10,724.98/106.01
6. Step 6: Final answer
   x = 101.17