Finding the Fourth Proportional to 1,808.82, 2,713.95 and 1,443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.82 : 2,713.95 = 1,443.06 : x
2. Step 2: Convert to fraction form
   1,808.82/2,713.95 = 1,443.06/x
3. Step 3: Cross multiply
   1,808.82x = 2,713.95 × 1,443.06
4. Step 4: Simplify right side
   1,808.82x = 3,916,392.69
5. Step 5: Solve for x
   x = 3,916,392.69/1,808.82
6. Step 6: Final answer
   x = 2,165.16