Finding the Fourth Proportional to 9,714.72, 14,559.12 and 5,556

Step by Step Solution

1. Step 1: Write the proportion equation
   9,714.72 : 14,559.12 = 5,556 : x
2. Step 2: Convert to fraction form
   9,714.72/14,559.12 = 5,556/x
3. Step 3: Cross multiply
   9,714.72x = 14,559.12 × 5,556
4. Step 4: Simplify right side
   9,714.72x = 80,890,470.72
5. Step 5: Solve for x
   x = 80,890,470.72/9,714.72
6. Step 6: Final answer
   x = 8,326.59