Finding the Fourth Proportional to 8,562.78, 12,842.20 and 3,296.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,562.78 : 12,842.20 = 3,296.06 : x
2. Step 2: Convert to fraction form
   8,562.78/12,842.20 = 3,296.06/x
3. Step 3: Cross multiply
   8,562.78x = 12,842.20 × 3,296.06
4. Step 4: Simplify right side
   8,562.78x = 42,328,661.73
5. Step 5: Solve for x
   x = 42,328,661.73/8,562.78
6. Step 6: Final answer
   x = 4,943.33