Finding the Fourth Proportional to 8,495.27, 12,742.89 and 5,572.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,495.27 : 12,742.89 = 5,572.88 : x
2. Step 2: Convert to fraction form
   8,495.27/12,742.89 = 5,572.88/x
3. Step 3: Cross multiply
   8,495.27x = 12,742.89 × 5,572.88
4. Step 4: Simplify right side
   8,495.27x = 71,014,596.82
5. Step 5: Solve for x
   x = 71,014,596.82/8,495.27
6. Step 6: Final answer
   x = 8,359.31