Finding the Fourth Proportional to 89.94, 124.10 and 69.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89.94 : 124.10 = 69.18 : x
2. Step 2: Convert to fraction form
   89.94/124.10 = 69.18/x
3. Step 3: Cross multiply
   89.94x = 124.10 × 69.18
4. Step 4: Simplify right side
   89.94x = 8,584.89
5. Step 5: Solve for x
   x = 8,584.89/89.94
6. Step 6: Final answer
   x = 95.45