Finding the Fourth Proportional to 72.63, 108.91 and 32.00

Step by Step Solution

1. Step 1: Write the proportion equation
   72.63 : 108.91 = 32.00 : x
2. Step 2: Convert to fraction form
   72.63/108.91 = 32.00/x
3. Step 3: Cross multiply
   72.63x = 108.91 × 32.00
4. Step 4: Simplify right side
   72.63x = 3,484.62
5. Step 5: Solve for x
   x = 3,484.62/72.63
6. Step 6: Final answer
   x = 47.98