Finding the Fourth Proportional to 10,979.76, 16,473.06 and 3,584.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.76 : 16,473.06 = 3,584.28 : x
2. Step 2: Convert to fraction form
   10,979.76/16,473.06 = 3,584.28/x
3. Step 3: Cross multiply
   10,979.76x = 16,473.06 × 3,584.28
4. Step 4: Simplify right side
   10,979.76x = 59,044,059.50
5. Step 5: Solve for x
   x = 59,044,059.50/10,979.76
6. Step 6: Final answer
   x = 5,377.54