Finding the Fourth Proportional to 42.41, 63.58 and 15.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42.41 : 63.58 = 15.34 : x
2. Step 2: Convert to fraction form
   42.41/63.58 = 15.34/x
3. Step 3: Cross multiply
   42.41x = 63.58 × 15.34
4. Step 4: Simplify right side
   42.41x = 975.32
5. Step 5: Solve for x
   x = 975.32/42.41
6. Step 6: Final answer
   x = 23.00