Finding the Fourth Proportional to 8,496.20, 12,744.78 and 2,947.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,496.20 : 12,744.78 = 2,947.16 : x
2. Step 2: Convert to fraction form
   8,496.20/12,744.78 = 2,947.16/x
3. Step 3: Cross multiply
   8,496.20x = 12,744.78 × 2,947.16
4. Step 4: Simplify right side
   8,496.20x = 37,560,905.82
5. Step 5: Solve for x
   x = 37,560,905.82/8,496.20
6. Step 6: Final answer
   x = 4,420.91