Finding the Fourth Proportional to 2,647.67, 3,653.46 and 1,528.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.67 : 3,653.46 = 1,528.67 : x
2. Step 2: Convert to fraction form
   2,647.67/3,653.46 = 1,528.67/x
3. Step 3: Cross multiply
   2,647.67x = 3,653.46 × 1,528.67
4. Step 4: Simplify right side
   2,647.67x = 5,584,934.70
5. Step 5: Solve for x
   x = 5,584,934.70/2,647.67
6. Step 6: Final answer
   x = 2,109.38