Finding the Fourth Proportional to 8,489.04, 12,738.72 and 3,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,489.04 : 12,738.72 = 3,294.72 : x
2. Step 2: Convert to fraction form
   8,489.04/12,738.72 = 3,294.72/x
3. Step 3: Cross multiply
   8,489.04x = 12,738.72 × 3,294.72
4. Step 4: Simplify right side
   8,489.04x = 41,970,515.56
5. Step 5: Solve for x
   x = 41,970,515.56/8,489.04
6. Step 6: Final answer
   x = 4,944.08