Finding the Fourth Proportional to 12,676.12, 17,493.12 and 7,087.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,676.12 : 17,493.12 = 7,087.12 : x
2. Step 2: Convert to fraction form
   12,676.12/17,493.12 = 7,087.12/x
3. Step 3: Cross multiply
   12,676.12x = 17,493.12 × 7,087.12
4. Step 4: Simplify right side
   12,676.12x = 123,975,840.61
5. Step 5: Solve for x
   x = 123,975,840.61/12,676.12
6. Step 6: Final answer
   x = 9,780.27