Finding the Fourth Proportional to 127.10, 190.67 and 100.01

Step by Step Solution

1. Step 1: Write the proportion equation
   127.10 : 190.67 = 100.01 : x
2. Step 2: Convert to fraction form
   127.10/190.67 = 100.01/x
3. Step 3: Cross multiply
   127.10x = 190.67 × 100.01
4. Step 4: Simplify right side
   127.10x = 19,067.45
5. Step 5: Solve for x
   x = 19,067.45/127.10
6. Step 6: Final answer
   x = 150.02