Finding the Fourth Proportional to 112.02, 167.83 and 109.59

Step by Step Solution

1. Step 1: Write the proportion equation
   112.02 : 167.83 = 109.59 : x
2. Step 2: Convert to fraction form
   112.02/167.83 = 109.59/x
3. Step 3: Cross multiply
   112.02x = 167.83 × 109.59
4. Step 4: Simplify right side
   112.02x = 18,393.77
5. Step 5: Solve for x
   x = 18,393.77/112.02
6. Step 6: Final answer
   x = 164.19