Finding the Fourth Proportional to 109.83, 164.72 and 32.81

Step by Step Solution

1. Step 1: Write the proportion equation
   109.83 : 164.72 = 32.81 : x
2. Step 2: Convert to fraction form
   109.83/164.72 = 32.81/x
3. Step 3: Cross multiply
   109.83x = 164.72 × 32.81
4. Step 4: Simplify right side
   109.83x = 5,403.72
5. Step 5: Solve for x
   x = 5,403.72/109.83
6. Step 6: Final answer
   x = 49.20