Finding the Fourth Proportional to 8,573.82, 12,860.37 and 2,650.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,573.82 : 12,860.37 = 2,650.47 : x
2. Step 2: Convert to fraction form
   8,573.82/12,860.37 = 2,650.47/x
3. Step 3: Cross multiply
   8,573.82x = 12,860.37 × 2,650.47
4. Step 4: Simplify right side
   8,573.82x = 34,086,024.87
5. Step 5: Solve for x
   x = 34,086,024.87/8,573.82
6. Step 6: Final answer
   x = 3,975.59