Finding the Fourth Proportional to 2,528.83, 3,489.33 and 1,520.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.83 : 3,489.33 = 1,520.56 : x
2. Step 2: Convert to fraction form
   2,528.83/3,489.33 = 1,520.56/x
3. Step 3: Cross multiply
   2,528.83x = 3,489.33 × 1,520.56
4. Step 4: Simplify right side
   2,528.83x = 5,305,735.62
5. Step 5: Solve for x
   x = 5,305,735.62/2,528.83
6. Step 6: Final answer
   x = 2,098.10