Finding the Fourth Proportional to 3,634.28, 5,454.83 and 1,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634.28 : 5,454.83 = 1,786.72 : x
2. Step 2: Convert to fraction form
   3,634.28/5,454.83 = 1,786.72/x
3. Step 3: Cross multiply
   3,634.28x = 5,454.83 × 1,786.72
4. Step 4: Simplify right side
   3,634.28x = 9,746,253.86
5. Step 5: Solve for x
   x = 9,746,253.86/3,634.28
6. Step 6: Final answer
   x = 2,681.76