Finding the Fourth Proportional to 14,251.89, 19,667.84 and 7,964.67

Step by Step Solution

1. Step 1: Write the proportion equation
   14,251.89 : 19,667.84 = 7,964.67 : x
2. Step 2: Convert to fraction form
   14,251.89/19,667.84 = 7,964.67/x
3. Step 3: Cross multiply
   14,251.89x = 19,667.84 × 7,964.67
4. Step 4: Simplify right side
   14,251.89x = 156,647,815.39
5. Step 5: Solve for x
   x = 156,647,815.39/14,251.89
6. Step 6: Final answer
   x = 10,991.37