Finding the Fourth Proportional to 119.37, 164.81 and 91.69

Step by Step Solution

1. Step 1: Write the proportion equation
   119.37 : 164.81 = 91.69 : x
2. Step 2: Convert to fraction form
   119.37/164.81 = 91.69/x
3. Step 3: Cross multiply
   119.37x = 164.81 × 91.69
4. Step 4: Simplify right side
   119.37x = 15,111.86
5. Step 5: Solve for x
   x = 15,111.86/119.37
6. Step 6: Final answer
   x = 126.59