Finding the Fourth Proportional to 72.88, 109.32 and 32.32

Step by Step Solution

1. Step 1: Write the proportion equation
   72.88 : 109.32 = 32.32 : x
2. Step 2: Convert to fraction form
   72.88/109.32 = 32.32/x
3. Step 3: Cross multiply
   72.88x = 109.32 × 32.32
4. Step 4: Simplify right side
   72.88x = 3,533.22
5. Step 5: Solve for x
   x = 3,533.22/72.88
6. Step 6: Final answer
   x = 48.48