Finding the Fourth Proportional to 89.48, 123.23 and 83.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89.48 : 123.23 = 83.34 : x
2. Step 2: Convert to fraction form
   89.48/123.23 = 83.34/x
3. Step 3: Cross multiply
   89.48x = 123.23 × 83.34
4. Step 4: Simplify right side
   89.48x = 10,270.20
5. Step 5: Solve for x
   x = 10,270.20/89.48
6. Step 6: Final answer
   x = 114.77