Finding the Fourth Proportional to 123.31, 184.01 and 109.68

Step by Step Solution

1. Step 1: Write the proportion equation
   123.31 : 184.01 = 109.68 : x
2. Step 2: Convert to fraction form
   123.31/184.01 = 109.68/x
3. Step 3: Cross multiply
   123.31x = 184.01 × 109.68
4. Step 4: Simplify right side
   123.31x = 20,182.22
5. Step 5: Solve for x
   x = 20,182.22/123.31
6. Step 6: Final answer
   x = 163.67