Finding the Fourth Proportional to 127.01, 174.82 and 106.06

Step by Step Solution

1. Step 1: Write the proportion equation
   127.01 : 174.82 = 106.06 : x
2. Step 2: Convert to fraction form
   127.01/174.82 = 106.06/x
3. Step 3: Cross multiply
   127.01x = 174.82 × 106.06
4. Step 4: Simplify right side
   127.01x = 18,540.54
5. Step 5: Solve for x
   x = 18,540.54/127.01
6. Step 6: Final answer
   x = 145.98