Finding the Fourth Proportional to 10,979.48, 16,463.61 and 3,579.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.48 : 16,463.61 = 3,579.18 : x
2. Step 2: Convert to fraction form
   10,979.48/16,463.61 = 3,579.18/x
3. Step 3: Cross multiply
   10,979.48x = 16,463.61 × 3,579.18
4. Step 4: Simplify right side
   10,979.48x = 58,926,223.64
5. Step 5: Solve for x
   x = 58,926,223.64/10,979.48
6. Step 6: Final answer
   x = 5,366.94