Finding the Fourth Proportional to 19.73, 29.59 and 10.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19.73 : 29.59 = 10.10 : x
2. Step 2: Convert to fraction form
   19.73/29.59 = 10.10/x
3. Step 3: Cross multiply
   19.73x = 29.59 × 10.10
4. Step 4: Simplify right side
   19.73x = 298.86
5. Step 5: Solve for x
   x = 298.86/19.73
6. Step 6: Final answer
   x = 15.15