Finding the Fourth Proportional to 3,540.27, 4,883.58 and 2,123.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,540.27 : 4,883.58 = 2,123.58 : x
2. Step 2: Convert to fraction form
   3,540.27/4,883.58 = 2,123.58/x
3. Step 3: Cross multiply
   3,540.27x = 4,883.58 × 2,123.58
4. Step 4: Simplify right side
   3,540.27x = 10,370,672.82
5. Step 5: Solve for x
   x = 10,370,672.82/3,540.27
6. Step 6: Final answer
   x = 2,929.35