Finding the Fourth Proportional to 17,200.17, 25,807.56 and 9,399.87

Step by Step Solution

1. Step 1: Write the proportion equation
   17,200.17 : 25,807.56 = 9,399.87 : x
2. Step 2: Convert to fraction form
   17,200.17/25,807.56 = 9,399.87/x
3. Step 3: Cross multiply
   17,200.17x = 25,807.56 × 9,399.87
4. Step 4: Simplify right side
   17,200.17x = 242,587,709.02
5. Step 5: Solve for x
   x = 242,587,709.02/17,200.17
6. Step 6: Final answer
   x = 14,103.80