Finding the Fourth Proportional to 17,268.91, 25,911.56 and 8,947.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,268.91 : 25,911.56 = 8,947.37 : x
2. Step 2: Convert to fraction form
   17,268.91/25,911.56 = 8,947.37/x
3. Step 3: Cross multiply
   17,268.91x = 25,911.56 × 8,947.37
4. Step 4: Simplify right side
   17,268.91x = 231,840,401.74
5. Step 5: Solve for x
   x = 231,840,401.74/17,268.91
6. Step 6: Final answer
   x = 13,425.31