Finding the Fourth Proportional to 14,410.50, 19,886.49 and 7,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,410.50 : 19,886.49 = 7,786.50 : x
2. Step 2: Convert to fraction form
   14,410.50/19,886.49 = 7,786.50/x
3. Step 3: Cross multiply
   14,410.50x = 19,886.49 × 7,786.50
4. Step 4: Simplify right side
   14,410.50x = 154,846,154.39
5. Step 5: Solve for x
   x = 154,846,154.39/14,410.50
6. Step 6: Final answer
   x = 10,745.37