Finding the Fourth Proportional to 110.22, 164.61 and 100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110.22 : 164.61 = 100.50 : x
2. Step 2: Convert to fraction form
   110.22/164.61 = 100.50/x
3. Step 3: Cross multiply
   110.22x = 164.61 × 100.50
4. Step 4: Simplify right side
   110.22x = 16,543.31
5. Step 5: Solve for x
   x = 16,543.31/110.22
6. Step 6: Final answer
   x = 150.09