Finding the Fourth Proportional to 2,630.82, 3,940.08 and 2,079.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.82 : 3,940.08 = 2,079.30 : x
2. Step 2: Convert to fraction form
   2,630.82/3,940.08 = 2,079.30/x
3. Step 3: Cross multiply
   2,630.82x = 3,940.08 × 2,079.30
4. Step 4: Simplify right side
   2,630.82x = 8,192,608.34
5. Step 5: Solve for x
   x = 8,192,608.34/2,630.82
6. Step 6: Final answer
   x = 3,114.09