Finding the Fourth Proportional to 12,618.34, 17,404.65 and 7,313.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,618.34 : 17,404.65 = 7,313.25 : x
2. Step 2: Convert to fraction form
   12,618.34/17,404.65 = 7,313.25/x
3. Step 3: Cross multiply
   12,618.34x = 17,404.65 × 7,313.25
4. Step 4: Simplify right side
   12,618.34x = 127,284,556.61
5. Step 5: Solve for x
   x = 127,284,556.61/12,618.34
6. Step 6: Final answer
   x = 10,087.27