Finding the Fourth Proportional to 12,697.25, 17,522.21 and 7,108.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,697.25 : 17,522.21 = 7,108.25 : x
2. Step 2: Convert to fraction form
   12,697.25/17,522.21 = 7,108.25/x
3. Step 3: Cross multiply
   12,697.25x = 17,522.21 × 7,108.25
4. Step 4: Simplify right side
   12,697.25x = 124,552,213.69
5. Step 5: Solve for x
   x = 124,552,213.69/12,697.25
6. Step 6: Final answer
   x = 9,809.39