Finding the Fourth Proportional to 2,862.89, 3,949.53 and 1,667.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,862.89 : 3,949.53 = 1,667.46 : x
2. Step 2: Convert to fraction form
   2,862.89/3,949.53 = 1,667.46/x
3. Step 3: Cross multiply
   2,862.89x = 3,949.53 × 1,667.46
4. Step 4: Simplify right side
   2,862.89x = 6,585,665.08
5. Step 5: Solve for x
   x = 6,585,665.08/2,862.89
6. Step 6: Final answer
   x = 2,300.35