Finding the Fourth Proportional to 3,654.24, 5,042.88 and 2,162.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.24 : 5,042.88 = 2,162.24 : x
2. Step 2: Convert to fraction form
   3,654.24/5,042.88 = 2,162.24/x
3. Step 3: Cross multiply
   3,654.24x = 5,042.88 × 2,162.24
4. Step 4: Simplify right side
   3,654.24x = 10,903,916.85
5. Step 5: Solve for x
   x = 10,903,916.85/3,654.24
6. Step 6: Final answer
   x = 2,983.91