Finding the Fourth Proportional to 10,904.68, 16,359.46 and 3,979.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,904.68 : 16,359.46 = 3,979.18 : x
2. Step 2: Convert to fraction form
   10,904.68/16,359.46 = 3,979.18/x
3. Step 3: Cross multiply
   10,904.68x = 16,359.46 × 3,979.18
4. Step 4: Simplify right side
   10,904.68x = 65,097,236.04
5. Step 5: Solve for x
   x = 65,097,236.04/10,904.68
6. Step 6: Final answer
   x = 5,969.66