Finding the Fourth Proportional to 2,575.26, 3,553.02 and 1,580.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.26 : 3,553.02 = 1,580.04 : x
2. Step 2: Convert to fraction form
   2,575.26/3,553.02 = 1,580.04/x
3. Step 3: Cross multiply
   2,575.26x = 3,553.02 × 1,580.04
4. Step 4: Simplify right side
   2,575.26x = 5,613,913.72
5. Step 5: Solve for x
   x = 5,613,913.72/2,575.26
6. Step 6: Final answer
   x = 2,179.94