Finding the Fourth Proportional to 2,980.30, 4,111.49 and 2,096.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.30 : 4,111.49 = 2,096.68 : x
2. Step 2: Convert to fraction form
   2,980.30/4,111.49 = 2,096.68/x
3. Step 3: Cross multiply
   2,980.30x = 4,111.49 × 2,096.68
4. Step 4: Simplify right side
   2,980.30x = 8,620,478.85
5. Step 5: Solve for x
   x = 8,620,478.85/2,980.30
6. Step 6: Final answer
   x = 2,892.49