Finding the Fourth Proportional to 14,864.73, 20,509.25 and 9,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,864.73 : 20,509.25 = 9,196.76 : x
2. Step 2: Convert to fraction form
   14,864.73/20,509.25 = 9,196.76/x
3. Step 3: Cross multiply
   14,864.73x = 20,509.25 × 9,196.76
4. Step 4: Simplify right side
   14,864.73x = 188,618,501.50
5. Step 5: Solve for x
   x = 188,618,501.50/14,864.73
6. Step 6: Final answer
   x = 12,689.00