Finding the Fourth Proportional to 2,575.38, 3,554.37 and 1,580.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.38 : 3,554.37 = 1,580.34 : x
2. Step 2: Convert to fraction form
   2,575.38/3,554.37 = 1,580.34/x
3. Step 3: Cross multiply
   2,575.38x = 3,554.37 × 1,580.34
4. Step 4: Simplify right side
   2,575.38x = 5,617,113.09
5. Step 5: Solve for x
   x = 5,617,113.09/2,575.38
6. Step 6: Final answer
   x = 2,181.08