Finding the Fourth Proportional to 2,524.52, 3,480.81 and 1,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,524.52 : 3,480.81 = 1,640 : x
2. Step 2: Convert to fraction form
   2,524.52/3,480.81 = 1,640/x
3. Step 3: Cross multiply
   2,524.52x = 3,480.81 × 1,640
4. Step 4: Simplify right side
   2,524.52x = 5,708,528.40
5. Step 5: Solve for x
   x = 5,708,528.40/2,524.52
6. Step 6: Final answer
   x = 2,261.23