Finding the Fourth Proportional to 2,528.92, 3,488.43 and 1,480.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.92 : 3,488.43 = 1,480.78 : x
2. Step 2: Convert to fraction form
   2,528.92/3,488.43 = 1,480.78/x
3. Step 3: Cross multiply
   2,528.92x = 3,488.43 × 1,480.78
4. Step 4: Simplify right side
   2,528.92x = 5,165,597.38
5. Step 5: Solve for x
   x = 5,165,597.38/2,528.92
6. Step 6: Final answer
   x = 2,042.61