Finding the Fourth Proportional to 127.82, 191.71 and 36.53

Step by Step Solution

1. Step 1: Write the proportion equation
   127.82 : 191.71 = 36.53 : x
2. Step 2: Convert to fraction form
   127.82/191.71 = 36.53/x
3. Step 3: Cross multiply
   127.82x = 191.71 × 36.53
4. Step 4: Simplify right side
   127.82x = 7,002.32
5. Step 5: Solve for x
   x = 7,002.32/127.82
6. Step 6: Final answer
   x = 54.78