Finding the Fourth Proportional to 14,227.35, 19,633.76 and 7,939.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,227.35 : 19,633.76 = 7,939.72 : x
2. Step 2: Convert to fraction form
   14,227.35/19,633.76 = 7,939.72/x
3. Step 3: Cross multiply
   14,227.35x = 19,633.76 × 7,939.72
4. Step 4: Simplify right side
   14,227.35x = 155,886,556.95
5. Step 5: Solve for x
   x = 155,886,556.95/14,227.35
6. Step 6: Final answer
   x = 10,956.82