Finding the Fourth Proportional to 12,676.62, 17,493.78 and 7,087.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,676.62 : 17,493.78 = 7,087.62 : x
2. Step 2: Convert to fraction form
   12,676.62/17,493.78 = 7,087.62/x
3. Step 3: Cross multiply
   12,676.62x = 17,493.78 × 7,087.62
4. Step 4: Simplify right side
   12,676.62x = 123,989,265.00
5. Step 5: Solve for x
   x = 123,989,265.00/12,676.62
6. Step 6: Final answer
   x = 9,780.94