Finding the Fourth Proportional to 2,523.96, 3,481.38 and 1,640.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.96 : 3,481.38 = 1,640.52 : x
2. Step 2: Convert to fraction form
   2,523.96/3,481.38 = 1,640.52/x
3. Step 3: Cross multiply
   2,523.96x = 3,481.38 × 1,640.52
4. Step 4: Simplify right side
   2,523.96x = 5,711,273.52
5. Step 5: Solve for x
   x = 5,711,273.52/2,523.96
6. Step 6: Final answer
   x = 2,262.82