Finding the Fourth Proportional to 19,618.96, 27,066.72 and 12,544.24

Step by Step Solution

1. Step 1: Write the proportion equation
   19,618.96 : 27,066.72 = 12,544.24 : x
2. Step 2: Convert to fraction form
   19,618.96/27,066.72 = 12,544.24/x
3. Step 3: Cross multiply
   19,618.96x = 27,066.72 × 12,544.24
4. Step 4: Simplify right side
   19,618.96x = 339,531,431.69
5. Step 5: Solve for x
   x = 339,531,431.69/19,618.96
6. Step 6: Final answer
   x = 17,306.29