Finding the Fourth Proportional to 8,564.76, 12,839.35 and 3,296.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,564.76 : 12,839.35 = 3,296.41 : x
2. Step 2: Convert to fraction form
   8,564.76/12,839.35 = 3,296.41/x
3. Step 3: Cross multiply
   8,564.76x = 12,839.35 × 3,296.41
4. Step 4: Simplify right side
   8,564.76x = 42,323,761.73
5. Step 5: Solve for x
   x = 42,323,761.73/8,564.76
6. Step 6: Final answer
   x = 4,941.62