Finding the Fourth Proportional to 2,647.37, 3,653.75 and 1,528.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.37 : 3,653.75 = 1,528.09 : x
2. Step 2: Convert to fraction form
   2,647.37/3,653.75 = 1,528.09/x
3. Step 3: Cross multiply
   2,647.37x = 3,653.75 × 1,528.09
4. Step 4: Simplify right side
   2,647.37x = 5,583,253.52
5. Step 5: Solve for x
   x = 5,583,253.52/2,647.37
6. Step 6: Final answer
   x = 2,108.98