Finding the Fourth Proportional to 3,279.10, 4,914.78 and 3,242.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,279.10 : 4,914.78 = 3,242.56 : x
2. Step 2: Convert to fraction form
   3,279.10/4,914.78 = 3,242.56/x
3. Step 3: Cross multiply
   3,279.10x = 4,914.78 × 3,242.56
4. Step 4: Simplify right side
   3,279.10x = 15,936,469.04
5. Step 5: Solve for x
   x = 15,936,469.04/3,279.10
6. Step 6: Final answer
   x = 4,860.01