Finding the Fourth Proportional to 8,560, 12,840.52 and 2,404.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,560 : 12,840.52 = 2,404.48 : x
2. Step 2: Convert to fraction form
   8,560/12,840.52 = 2,404.48/x
3. Step 3: Cross multiply
   8,560x = 12,840.52 × 2,404.48
4. Step 4: Simplify right side
   8,560x = 30,874,773.53
5. Step 5: Solve for x
   x = 30,874,773.53/8,560
6. Step 6: Final answer
   x = 3,606.87