Finding the Fourth Proportional to 2,540.04, 3,810.30 and 2,081.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540.04 : 3,810.30 = 2,081.88 : x
2. Step 2: Convert to fraction form
   2,540.04/3,810.30 = 2,081.88/x
3. Step 3: Cross multiply
   2,540.04x = 3,810.30 × 2,081.88
4. Step 4: Simplify right side
   2,540.04x = 7,932,587.36
5. Step 5: Solve for x
   x = 7,932,587.36/2,540.04
6. Step 6: Final answer
   x = 3,123.02