Finding the Fourth Proportional to 14,196.52, 19,586.49 and 9,164.09

Step by Step Solution

1. Step 1: Write the proportion equation
   14,196.52 : 19,586.49 = 9,164.09 : x
2. Step 2: Convert to fraction form
   14,196.52/19,586.49 = 9,164.09/x
3. Step 3: Cross multiply
   14,196.52x = 19,586.49 × 9,164.09
4. Step 4: Simplify right side
   14,196.52x = 179,492,313.12
5. Step 5: Solve for x
   x = 179,492,313.12/14,196.52
6. Step 6: Final answer
   x = 12,643.41