Finding the Fourth Proportional to 19,615.49, 27,069.90 and 10,663.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,615.49 : 27,069.90 = 10,663.59 : x
2. Step 2: Convert to fraction form
   19,615.49/27,069.90 = 10,663.59/x
3. Step 3: Cross multiply
   19,615.49x = 27,069.90 × 10,663.59
4. Step 4: Simplify right side
   19,615.49x = 288,662,314.94
5. Step 5: Solve for x
   x = 288,662,314.94/19,615.49
6. Step 6: Final answer
   x = 14,716.04