Finding the Fourth Proportional to 10,979.80, 16,470.61 and 3,584.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.80 : 16,470.61 = 3,584.09 : x
2. Step 2: Convert to fraction form
   10,979.80/16,470.61 = 3,584.09/x
3. Step 3: Cross multiply
   10,979.80x = 16,470.61 × 3,584.09
4. Step 4: Simplify right side
   10,979.80x = 59,032,180.81
5. Step 5: Solve for x
   x = 59,032,180.81/10,979.80
6. Step 6: Final answer
   x = 5,376.44