Finding the Fourth Proportional to 14,251.89, 19,667.47 and 7,964.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,251.89 : 19,667.47 = 7,964.27 : x
2. Step 2: Convert to fraction form
   14,251.89/19,667.47 = 7,964.27/x
3. Step 3: Cross multiply
   14,251.89x = 19,667.47 × 7,964.27
4. Step 4: Simplify right side
   14,251.89x = 156,637,041.30
5. Step 5: Solve for x
   x = 156,637,041.30/14,251.89
6. Step 6: Final answer
   x = 10,990.62