Finding the Fourth Proportional to 8,456.10, 11,665.52 and 5,472.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,456.10 : 11,665.52 = 5,472.89 : x
2. Step 2: Convert to fraction form
   8,456.10/11,665.52 = 5,472.89/x
3. Step 3: Cross multiply
   8,456.10x = 11,665.52 × 5,472.89
4. Step 4: Simplify right side
   8,456.10x = 63,844,119.14
5. Step 5: Solve for x
   x = 63,844,119.14/8,456.10
6. Step 6: Final answer
   x = 7,550.07