Finding the Fourth Proportional to 19.01, 28.52 and 10.01

Step by Step Solution

1. Step 1: Write the proportion equation
   19.01 : 28.52 = 10.01 : x
2. Step 2: Convert to fraction form
   19.01/28.52 = 10.01/x
3. Step 3: Cross multiply
   19.01x = 28.52 × 10.01
4. Step 4: Simplify right side
   19.01x = 285.37
5. Step 5: Solve for x
   x = 285.37/19.01
6. Step 6: Final answer
   x = 15.01