Finding the Fourth Proportional to 14,976.71, 20,667.72 and 8,262.39

Step by Step Solution

1. Step 1: Write the proportion equation
   14,976.71 : 20,667.72 = 8,262.39 : x
2. Step 2: Convert to fraction form
   14,976.71/20,667.72 = 8,262.39/x
3. Step 3: Cross multiply
   14,976.71x = 20,667.72 × 8,262.39
4. Step 4: Simplify right side
   14,976.71x = 170,764,654.56
5. Step 5: Solve for x
   x = 170,764,654.56/14,976.71
6. Step 6: Final answer
   x = 11,402.02