Finding the Fourth Proportional to 10,982.10, 16,471.08 and 2,976.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,982.10 : 16,471.08 = 2,976.78 : x
2. Step 2: Convert to fraction form
   10,982.10/16,471.08 = 2,976.78/x
3. Step 3: Cross multiply
   10,982.10x = 16,471.08 × 2,976.78
4. Step 4: Simplify right side
   10,982.10x = 49,030,781.52
5. Step 5: Solve for x
   x = 49,030,781.52/10,982.10
6. Step 6: Final answer
   x = 4,464.61