Finding the Fourth Proportional to 2,339.09, 3,231.89 and 1,810.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.09 : 3,231.89 = 1,810.13 : x
2. Step 2: Convert to fraction form
   2,339.09/3,231.89 = 1,810.13/x
3. Step 3: Cross multiply
   2,339.09x = 3,231.89 × 1,810.13
4. Step 4: Simplify right side
   2,339.09x = 5,850,129.41
5. Step 5: Solve for x
   x = 5,850,129.41/2,339.09
6. Step 6: Final answer
   x = 2,501.03