Finding the Fourth Proportional to 12,714.78, 17,546.48 and 7,049.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.78 : 17,546.48 = 7,049.62 : x
2. Step 2: Convert to fraction form
   12,714.78/17,546.48 = 7,049.62/x
3. Step 3: Cross multiply
   12,714.78x = 17,546.48 × 7,049.62
4. Step 4: Simplify right side
   12,714.78x = 123,696,029.46
5. Step 5: Solve for x
   x = 123,696,029.46/12,714.78
6. Step 6: Final answer
   x = 9,728.52