Finding the Fourth Proportional to 2,857.84, 3,941.40 and 2,196.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857.84 : 3,941.40 = 2,196.32 : x
2. Step 2: Convert to fraction form
   2,857.84/3,941.40 = 2,196.32/x
3. Step 3: Cross multiply
   2,857.84x = 3,941.40 × 2,196.32
4. Step 4: Simplify right side
   2,857.84x = 8,656,575.65
5. Step 5: Solve for x
   x = 8,656,575.65/2,857.84
6. Step 6: Final answer
   x = 3,029.06