Finding the Fourth Proportional to 105.76, 146.01 and 73.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105.76 : 146.01 = 73.06 : x
2. Step 2: Convert to fraction form
   105.76/146.01 = 73.06/x
3. Step 3: Cross multiply
   105.76x = 146.01 × 73.06
4. Step 4: Simplify right side
   105.76x = 10,667.49
5. Step 5: Solve for x
   x = 10,667.49/105.76
6. Step 6: Final answer
   x = 100.87