Finding the Fourth Proportional to 10,975.77, 16,456.82 and 3,579.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,975.77 : 16,456.82 = 3,579.15 : x
2. Step 2: Convert to fraction form
   10,975.77/16,456.82 = 3,579.15/x
3. Step 3: Cross multiply
   10,975.77x = 16,456.82 × 3,579.15
4. Step 4: Simplify right side
   10,975.77x = 58,901,471.12
5. Step 5: Solve for x
   x = 58,901,471.12/10,975.77
6. Step 6: Final answer
   x = 5,366.50