Finding the Fourth Proportional to 2,580.18, 3,559.80 and 1,461.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.18 : 3,559.80 = 1,461.01 : x
2. Step 2: Convert to fraction form
   2,580.18/3,559.80 = 1,461.01/x
3. Step 3: Cross multiply
   2,580.18x = 3,559.80 × 1,461.01
4. Step 4: Simplify right side
   2,580.18x = 5,200,903.40
5. Step 5: Solve for x
   x = 5,200,903.40/2,580.18
6. Step 6: Final answer
   x = 2,015.71