Finding the Fourth Proportional to 42.32, 63.52 and 15.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42.32 : 63.52 = 15.32 : x
2. Step 2: Convert to fraction form
   42.32/63.52 = 15.32/x
3. Step 3: Cross multiply
   42.32x = 63.52 × 15.32
4. Step 4: Simplify right side
   42.32x = 973.25
5. Step 5: Solve for x
   x = 973.25/42.32
6. Step 6: Final answer
   x = 23.00