Finding the Fourth Proportional to 12,676.32, 17,498.52 and 8,656.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,676.32 : 17,498.52 = 8,656.44 : x
2. Step 2: Convert to fraction form
   12,676.32/17,498.52 = 8,656.44/x
3. Step 3: Cross multiply
   12,676.32x = 17,498.52 × 8,656.44
4. Step 4: Simplify right side
   12,676.32x = 151,474,888.47
5. Step 5: Solve for x
   x = 151,474,888.47/12,676.32
6. Step 6: Final answer
   x = 11,949.44