Finding the Fourth Proportional to 9,617.14, 13,271.85 and 5,425.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,617.14 : 13,271.85 = 5,425.39 : x
2. Step 2: Convert to fraction form
   9,617.14/13,271.85 = 5,425.39/x
3. Step 3: Cross multiply
   9,617.14x = 13,271.85 × 5,425.39
4. Step 4: Simplify right side
   9,617.14x = 72,004,962.27
5. Step 5: Solve for x
   x = 72,004,962.27/9,617.14
6. Step 6: Final answer
   x = 7,487.15