Finding the Fourth Proportional to 9,617, 13,271.67 and 5,425.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,617 : 13,271.67 = 5,425.25 : x
2. Step 2: Convert to fraction form
   9,617/13,271.67 = 5,425.25/x
3. Step 3: Cross multiply
   9,617x = 13,271.67 × 5,425.25
4. Step 4: Simplify right side
   9,617x = 72,002,127.67
5. Step 5: Solve for x
   x = 72,002,127.67/9,617
6. Step 6: Final answer
   x = 7,486.96