Finding the Fourth Proportional to 2,646.85, 3,653.46 and 1,528.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646.85 : 3,653.46 = 1,528.52 : x
2. Step 2: Convert to fraction form
   2,646.85/3,653.46 = 1,528.52/x
3. Step 3: Cross multiply
   2,646.85x = 3,653.46 × 1,528.52
4. Step 4: Simplify right side
   2,646.85x = 5,584,386.68
5. Step 5: Solve for x
   x = 5,584,386.68/2,646.85
6. Step 6: Final answer
   x = 2,109.82