Finding the Fourth Proportional to 127.98, 190.86 and 118.06

Step by Step Solution

1. Step 1: Write the proportion equation
   127.98 : 190.86 = 118.06 : x
2. Step 2: Convert to fraction form
   127.98/190.86 = 118.06/x
3. Step 3: Cross multiply
   127.98x = 190.86 × 118.06
4. Step 4: Simplify right side
   127.98x = 22,532.01
5. Step 5: Solve for x
   x = 22,532.01/127.98
6. Step 6: Final answer
   x = 176.06