Finding the Fourth Proportional to 2,804.49, 3,868.22 and 1,810.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.49 : 3,868.22 = 1,810.15 : x
2. Step 2: Convert to fraction form
   2,804.49/3,868.22 = 1,810.15/x
3. Step 3: Cross multiply
   2,804.49x = 3,868.22 × 1,810.15
4. Step 4: Simplify right side
   2,804.49x = 7,002,053.29
5. Step 5: Solve for x
   x = 7,002,053.29/2,804.49
6. Step 6: Final answer
   x = 2,496.73