Finding the Fourth Proportional to 3,179.68, 4,389.61 and 2,469.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,179.68 : 4,389.61 = 2,469.94 : x
2. Step 2: Convert to fraction form
   3,179.68/4,389.61 = 2,469.94/x
3. Step 3: Cross multiply
   3,179.68x = 4,389.61 × 2,469.94
4. Step 4: Simplify right side
   3,179.68x = 10,842,056.17
5. Step 5: Solve for x
   x = 10,842,056.17/3,179.68
6. Step 6: Final answer
   x = 3,409.80