Finding the Fourth Proportional to 5,456.56, 7,527.72 and 4,272.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.56 : 7,527.72 = 4,272.88 : x
2. Step 2: Convert to fraction form
   5,456.56/7,527.72 = 4,272.88/x
3. Step 3: Cross multiply
   5,456.56x = 7,527.72 × 4,272.88
4. Step 4: Simplify right side
   5,456.56x = 32,165,044.23
5. Step 5: Solve for x
   x = 32,165,044.23/5,456.56
6. Step 6: Final answer
   x = 5,894.75