Finding the Fourth Proportional to 8,482.52, 12,729.72 and 5,714.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,482.52 : 12,729.72 = 5,714.48 : x
2. Step 2: Convert to fraction form
   8,482.52/12,729.72 = 5,714.48/x
3. Step 3: Cross multiply
   8,482.52x = 12,729.72 × 5,714.48
4. Step 4: Simplify right side
   8,482.52x = 72,743,730.35
5. Step 5: Solve for x
   x = 72,743,730.35/8,482.52
6. Step 6: Final answer
   x = 8,575.72