Finding the Fourth Proportional to 8,514.56, 12,851.82 and 8,514.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,514.56 : 12,851.82 = 8,514.56 : x
2. Step 2: Convert to fraction form
   8,514.56/12,851.82 = 8,514.56/x
3. Step 3: Cross multiply
   8,514.56x = 12,851.82 × 8,514.56
4. Step 4: Simplify right side
   8,514.56x = 109,427,603.34
5. Step 5: Solve for x
   x = 109,427,603.34/8,514.56
6. Step 6: Final answer
   x = 12,851.82