Finding the Fourth Proportional to 15.34, 23.00 and 7.31

Step by Step Solution

1. Step 1: Write the proportion equation
   15.34 : 23.00 = 7.31 : x
2. Step 2: Convert to fraction form
   15.34/23.00 = 7.31/x
3. Step 3: Cross multiply
   15.34x = 23.00 × 7.31
4. Step 4: Simplify right side
   15.34x = 168.15
5. Step 5: Solve for x
   x = 168.15/15.34
6. Step 6: Final answer
   x = 10.96