Finding the Fourth Proportional to 17,349.99, 25,985.57 and 13,578.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,349.99 : 25,985.57 = 13,578.27 : x
2. Step 2: Convert to fraction form
   17,349.99/25,985.57 = 13,578.27/x
3. Step 3: Cross multiply
   17,349.99x = 25,985.57 × 13,578.27
4. Step 4: Simplify right side
   17,349.99x = 352,839,085.56
5. Step 5: Solve for x
   x = 352,839,085.56/17,349.99
6. Step 6: Final answer
   x = 20,336.56