Finding the Fourth Proportional to 112.89, 155.81 and 69.27

Step by Step Solution

1. Step 1: Write the proportion equation
   112.89 : 155.81 = 69.27 : x
2. Step 2: Convert to fraction form
   112.89/155.81 = 69.27/x
3. Step 3: Cross multiply
   112.89x = 155.81 × 69.27
4. Step 4: Simplify right side
   112.89x = 10,791.83
5. Step 5: Solve for x
   x = 10,791.83/112.89
6. Step 6: Final answer
   x = 95.60