Finding the Fourth Proportional to 98.00, 146.63 and 72.27

Step by Step Solution

1. Step 1: Write the proportion equation
   98.00 : 146.63 = 72.27 : x
2. Step 2: Convert to fraction form
   98.00/146.63 = 72.27/x
3. Step 3: Cross multiply
   98.00x = 146.63 × 72.27
4. Step 4: Simplify right side
   98.00x = 10,596.59
5. Step 5: Solve for x
   x = 10,596.59/98.00
6. Step 6: Final answer
   x = 108.13