Finding the Fourth Proportional to 2,185.97, 3,277.78 and 1,143.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.97 : 3,277.78 = 1,143.47 : x
2. Step 2: Convert to fraction form
   2,185.97/3,277.78 = 1,143.47/x
3. Step 3: Cross multiply
   2,185.97x = 3,277.78 × 1,143.47
4. Step 4: Simplify right side
   2,185.97x = 3,748,020.99
5. Step 5: Solve for x
   x = 3,748,020.99/2,185.97
6. Step 6: Final answer
   x = 1,714.58