Finding the Fourth Proportional to 12,676.68, 17,492.64 and 7,371.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,676.68 : 17,492.64 = 7,371.42 : x
2. Step 2: Convert to fraction form
   12,676.68/17,492.64 = 7,371.42/x
3. Step 3: Cross multiply
   12,676.68x = 17,492.64 × 7,371.42
4. Step 4: Simplify right side
   12,676.68x = 128,945,596.35
5. Step 5: Solve for x
   x = 128,945,596.35/12,676.68
6. Step 6: Final answer
   x = 10,171.87