Finding the Fourth Proportional to 2,580.86, 3,561.57 and 1,461.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.86 : 3,561.57 = 1,461.85 : x
2. Step 2: Convert to fraction form
   2,580.86/3,561.57 = 1,461.85/x
3. Step 3: Cross multiply
   2,580.86x = 3,561.57 × 1,461.85
4. Step 4: Simplify right side
   2,580.86x = 5,206,472.20
5. Step 5: Solve for x
   x = 5,206,472.20/2,580.86
6. Step 6: Final answer
   x = 2,017.34