Finding the Fourth Proportional to 3,635.72, 5,017.06 and 2,143.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,635.72 : 5,017.06 = 2,143.56 : x
2. Step 2: Convert to fraction form
   3,635.72/5,017.06 = 2,143.56/x
3. Step 3: Cross multiply
   3,635.72x = 5,017.06 × 2,143.56
4. Step 4: Simplify right side
   3,635.72x = 10,754,378.57
5. Step 5: Solve for x
   x = 10,754,378.57/3,635.72
6. Step 6: Final answer
   x = 2,957.98