Finding the Fourth Proportional to 8,563.86, 12,845.82 and 2,407.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,563.86 : 12,845.82 = 2,407.86 : x
2. Step 2: Convert to fraction form
   8,563.86/12,845.82 = 2,407.86/x
3. Step 3: Cross multiply
   8,563.86x = 12,845.82 × 2,407.86
4. Step 4: Simplify right side
   8,563.86x = 30,930,936.15
5. Step 5: Solve for x
   x = 30,930,936.15/8,563.86
6. Step 6: Final answer
   x = 3,611.80