Finding the Fourth Proportional to 14,234.14, 19,643.27 and 7,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,234.14 : 19,643.27 = 7,860.72 : x
2. Step 2: Convert to fraction form
   14,234.14/19,643.27 = 7,860.72/x
3. Step 3: Cross multiply
   14,234.14x = 19,643.27 × 7,860.72
4. Step 4: Simplify right side
   14,234.14x = 154,410,353.41
5. Step 5: Solve for x
   x = 154,410,353.41/14,234.14
6. Step 6: Final answer
   x = 10,847.89