Finding the Fourth Proportional to 10,979.59, 16,469.31 and 3,584.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.59 : 16,469.31 = 3,584.05 : x
2. Step 2: Convert to fraction form
   10,979.59/16,469.31 = 3,584.05/x
3. Step 3: Cross multiply
   10,979.59x = 16,469.31 × 3,584.05
4. Step 4: Simplify right side
   10,979.59x = 59,026,864.53
5. Step 5: Solve for x
   x = 59,026,864.53/10,979.59
6. Step 6: Final answer
   x = 5,376.05