Finding the Fourth Proportional to 2,647.49, 3,653.20 and 1,528.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.49 : 3,653.20 = 1,528.17 : x
2. Step 2: Convert to fraction form
   2,647.49/3,653.20 = 1,528.17/x
3. Step 3: Cross multiply
   2,647.49x = 3,653.20 × 1,528.17
4. Step 4: Simplify right side
   2,647.49x = 5,582,698.85
5. Step 5: Solve for x
   x = 5,582,698.85/2,647.49
6. Step 6: Final answer
   x = 2,108.68