Finding the Fourth Proportional to 2,580.62, 3,561.36 and 1,461.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.62 : 3,561.36 = 1,461.61 : x
2. Step 2: Convert to fraction form
   2,580.62/3,561.36 = 1,461.61/x
3. Step 3: Cross multiply
   2,580.62x = 3,561.36 × 1,461.61
4. Step 4: Simplify right side
   2,580.62x = 5,205,319.39
5. Step 5: Solve for x
   x = 5,205,319.39/2,580.62
6. Step 6: Final answer
   x = 2,017.08