Finding the Fourth Proportional to 10,976.85, 16,463.59 and 3,581.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976.85 : 16,463.59 = 3,581.31 : x
2. Step 2: Convert to fraction form
   10,976.85/16,463.59 = 3,581.31/x
3. Step 3: Cross multiply
   10,976.85x = 16,463.59 × 3,581.31
4. Step 4: Simplify right side
   10,976.85x = 58,961,272.29
5. Step 5: Solve for x
   x = 58,961,272.29/10,976.85
6. Step 6: Final answer
   x = 5,371.42