Finding the Fourth Proportional to 2,857.34, 3,941.96 and 1,862.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857.34 : 3,941.96 = 1,862.25 : x
2. Step 2: Convert to fraction form
   2,857.34/3,941.96 = 1,862.25/x
3. Step 3: Cross multiply
   2,857.34x = 3,941.96 × 1,862.25
4. Step 4: Simplify right side
   2,857.34x = 7,340,919.67
5. Step 5: Solve for x
   x = 7,340,919.67/2,857.34
6. Step 6: Final answer
   x = 2,569.15