Finding the Fourth Proportional to 3,546.52, 4,894.20 and 2,131

Step by Step Solution

1. Step 1: Write the proportion equation
   3,546.52 : 4,894.20 = 2,131 : x
2. Step 2: Convert to fraction form
   3,546.52/4,894.20 = 2,131/x
3. Step 3: Cross multiply
   3,546.52x = 4,894.20 × 2,131
4. Step 4: Simplify right side
   3,546.52x = 10,429,540.20
5. Step 5: Solve for x
   x = 10,429,540.20/3,546.52
6. Step 6: Final answer
   x = 2,940.78