Finding the Fourth Proportional to 2,804.29, 3,869.11 and 1,810.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.29 : 3,869.11 = 1,810.15 : x
2. Step 2: Convert to fraction form
   2,804.29/3,869.11 = 1,810.15/x
3. Step 3: Cross multiply
   2,804.29x = 3,869.11 × 1,810.15
4. Step 4: Simplify right side
   2,804.29x = 7,003,669.47
5. Step 5: Solve for x
   x = 7,003,669.47/2,804.29
6. Step 6: Final answer
   x = 2,497.48