Finding the Fourth Proportional to 10,979.94, 16,471.50 and 3,582.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.94 : 16,471.50 = 3,582.86 : x
2. Step 2: Convert to fraction form
   10,979.94/16,471.50 = 3,582.86/x
3. Step 3: Cross multiply
   10,979.94x = 16,471.50 × 3,582.86
4. Step 4: Simplify right side
   10,979.94x = 59,015,078.49
5. Step 5: Solve for x
   x = 59,015,078.49/10,979.94
6. Step 6: Final answer
   x = 5,374.81