Finding the Fourth Proportional to 2,082.06, 3,116.28 and 1,143.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.06 : 3,116.28 = 1,143.57 : x
2. Step 2: Convert to fraction form
   2,082.06/3,116.28 = 1,143.57/x
3. Step 3: Cross multiply
   2,082.06x = 3,116.28 × 1,143.57
4. Step 4: Simplify right side
   2,082.06x = 3,563,684.32
5. Step 5: Solve for x
   x = 3,563,684.32/2,082.06
6. Step 6: Final answer
   x = 1,711.61