Finding the Fourth Proportional to 6,880.60, 10,321.31 and 1,949.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,880.60 : 10,321.31 = 1,949.83 : x
2. Step 2: Convert to fraction form
   6,880.60/10,321.31 = 1,949.83/x
3. Step 3: Cross multiply
   6,880.60x = 10,321.31 × 1,949.83
4. Step 4: Simplify right side
   6,880.60x = 20,124,799.88
5. Step 5: Solve for x
   x = 20,124,799.88/6,880.60
6. Step 6: Final answer
   x = 2,924.86