Finding the Fourth Proportional to 6,980.78, 10,469.55 and 2,049.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,980.78 : 10,469.55 = 2,049.10 : x
2. Step 2: Convert to fraction form
   6,980.78/10,469.55 = 2,049.10/x
3. Step 3: Cross multiply
   6,980.78x = 10,469.55 × 2,049.10
4. Step 4: Simplify right side
   6,980.78x = 21,453,154.91
5. Step 5: Solve for x
   x = 21,453,154.91/6,980.78
6. Step 6: Final answer
   x = 3,073.17