Finding the Fourth Proportional to 2,884.76, 3,979.40 and 1,940.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,884.76 : 3,979.40 = 1,940.61 : x
2. Step 2: Convert to fraction form
   2,884.76/3,979.40 = 1,940.61/x
3. Step 3: Cross multiply
   2,884.76x = 3,979.40 × 1,940.61
4. Step 4: Simplify right side
   2,884.76x = 7,722,453.73
5. Step 5: Solve for x
   x = 7,722,453.73/2,884.76
6. Step 6: Final answer
   x = 2,676.99