Finding the Fourth Proportional to 72.99, 109.42 and 32.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72.99 : 109.42 = 32.38 : x
2. Step 2: Convert to fraction form
   72.99/109.42 = 32.38/x
3. Step 3: Cross multiply
   72.99x = 109.42 × 32.38
4. Step 4: Simplify right side
   72.99x = 3,543.02
5. Step 5: Solve for x
   x = 3,543.02/72.99
6. Step 6: Final answer
   x = 48.54