Finding the Fourth Proportional to 3,635.52, 5,016.32 and 2,143.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,635.52 : 5,016.32 = 2,143.68 : x
2. Step 2: Convert to fraction form
   3,635.52/5,016.32 = 2,143.68/x
3. Step 3: Cross multiply
   3,635.52x = 5,016.32 × 2,143.68
4. Step 4: Simplify right side
   3,635.52x = 10,753,384.86
5. Step 5: Solve for x
   x = 10,753,384.86/3,635.52
6. Step 6: Final answer
   x = 2,957.87