Finding the Fourth Proportional to 34.27, 51.37 and 19.83

Step by Step Solution

1. Step 1: Write the proportion equation
   34.27 : 51.37 = 19.83 : x
2. Step 2: Convert to fraction form
   34.27/51.37 = 19.83/x
3. Step 3: Cross multiply
   34.27x = 51.37 × 19.83
4. Step 4: Simplify right side
   34.27x = 1,018.52
5. Step 5: Solve for x
   x = 1,018.52/34.27
6. Step 6: Final answer
   x = 29.72