Finding the Fourth Proportional to 8,452.55, 11,653.78 and 5,580.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,452.55 : 11,653.78 = 5,580.82 : x
2. Step 2: Convert to fraction form
   8,452.55/11,653.78 = 5,580.82/x
3. Step 3: Cross multiply
   8,452.55x = 11,653.78 × 5,580.82
4. Step 4: Simplify right side
   8,452.55x = 65,037,648.50
5. Step 5: Solve for x
   x = 65,037,648.50/8,452.55
6. Step 6: Final answer
   x = 7,694.44