Finding the Fourth Proportional to 12,676.77, 17,494.25 and 7,011.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,676.77 : 17,494.25 = 7,011.90 : x
2. Step 2: Convert to fraction form
   12,676.77/17,494.25 = 7,011.90/x
3. Step 3: Cross multiply
   12,676.77x = 17,494.25 × 7,011.90
4. Step 4: Simplify right side
   12,676.77x = 122,667,896.52
5. Step 5: Solve for x
   x = 122,667,896.52/12,676.77
6. Step 6: Final answer
   x = 9,676.59