Finding the Fourth Proportional to 2,580.66, 3,560.69 and 1,461.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.66 : 3,560.69 = 1,461.35 : x
2. Step 2: Convert to fraction form
   2,580.66/3,560.69 = 1,461.35/x
3. Step 3: Cross multiply
   2,580.66x = 3,560.69 × 1,461.35
4. Step 4: Simplify right side
   2,580.66x = 5,203,426.89
5. Step 5: Solve for x
   x = 5,203,426.89/2,580.66
6. Step 6: Final answer
   x = 2,016.32