Finding the Fourth Proportional to 42.34, 63.52 and 15.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42.34 : 63.52 = 15.29 : x
2. Step 2: Convert to fraction form
   42.34/63.52 = 15.29/x
3. Step 3: Cross multiply
   42.34x = 63.52 × 15.29
4. Step 4: Simplify right side
   42.34x = 971.22
5. Step 5: Solve for x
   x = 971.22/42.34
6. Step 6: Final answer
   x = 22.94