Finding the Fourth Proportional to 2,580.92, 3,562.25 and 1,587.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.92 : 3,562.25 = 1,587.05 : x
2. Step 2: Convert to fraction form
   2,580.92/3,562.25 = 1,587.05/x
3. Step 3: Cross multiply
   2,580.92x = 3,562.25 × 1,587.05
4. Step 4: Simplify right side
   2,580.92x = 5,653,469.83
5. Step 5: Solve for x
   x = 5,653,469.83/2,580.92
6. Step 6: Final answer
   x = 2,190.48