Finding the Fourth Proportional to 2,581.44, 3,562.46 and 1,587.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.44 : 3,562.46 = 1,587.30 : x
2. Step 2: Convert to fraction form
   2,581.44/3,562.46 = 1,587.30/x
3. Step 3: Cross multiply
   2,581.44x = 3,562.46 × 1,587.30
4. Step 4: Simplify right side
   2,581.44x = 5,654,692.76
5. Step 5: Solve for x
   x = 5,654,692.76/2,581.44
6. Step 6: Final answer
   x = 2,190.52