Finding the Fourth Proportional to 2,540.04, 3,815.56 and 2,150.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.04 : 3,815.56 = 2,150.84 : x
2. Step 2: Convert to fraction form
   2,540.04/3,815.56 = 2,150.84/x
3. Step 3: Cross multiply
   2,540.04x = 3,815.56 × 2,150.84
4. Step 4: Simplify right side
   2,540.04x = 8,206,659.07
5. Step 5: Solve for x
   x = 8,206,659.07/2,540.04
6. Step 6: Final answer
   x = 3,230.92