Finding the Fourth Proportional to 127.06, 190.32 and 72.82

Step by Step Solution

1. Step 1: Write the proportion equation
   127.06 : 190.32 = 72.82 : x
2. Step 2: Convert to fraction form
   127.06/190.32 = 72.82/x
3. Step 3: Cross multiply
   127.06x = 190.32 × 72.82
4. Step 4: Simplify right side
   127.06x = 13,859.10
5. Step 5: Solve for x
   x = 13,859.10/127.06
6. Step 6: Final answer
   x = 109.08