Finding the Fourth Proportional to 14,251.74, 19,667.37 and 7,964.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,251.74 : 19,667.37 = 7,964.12 : x
2. Step 2: Convert to fraction form
   14,251.74/19,667.37 = 7,964.12/x
3. Step 3: Cross multiply
   14,251.74x = 19,667.37 × 7,964.12
4. Step 4: Simplify right side
   14,251.74x = 156,633,196.43
5. Step 5: Solve for x
   x = 156,633,196.43/14,251.74
6. Step 6: Final answer
   x = 10,990.46