Finding the Fourth Proportional to 17,147.95, 25,709.57 and 7,783.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,147.95 : 25,709.57 = 7,783.27 : x
2. Step 2: Convert to fraction form
   17,147.95/25,709.57 = 7,783.27/x
3. Step 3: Cross multiply
   17,147.95x = 25,709.57 × 7,783.27
4. Step 4: Simplify right side
   17,147.95x = 200,104,524.89
5. Step 5: Solve for x
   x = 200,104,524.89/17,147.95
6. Step 6: Final answer
   x = 11,669.30