Finding the Fourth Proportional to 12,758.75, 17,608.97 and 7,456.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,758.75 : 17,608.97 = 7,456.49 : x
2. Step 2: Convert to fraction form
   12,758.75/17,608.97 = 7,456.49/x
3. Step 3: Cross multiply
   12,758.75x = 17,608.97 × 7,456.49
4. Step 4: Simplify right side
   12,758.75x = 131,301,071.43
5. Step 5: Solve for x
   x = 131,301,071.43/12,758.75
6. Step 6: Final answer
   x = 10,291.06