Finding the Fourth Proportional to 2,580.66, 3,560.82 and 1,518.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.66 : 3,560.82 = 1,518.12 : x
2. Step 2: Convert to fraction form
   2,580.66/3,560.82 = 1,518.12/x
3. Step 3: Cross multiply
   2,580.66x = 3,560.82 × 1,518.12
4. Step 4: Simplify right side
   2,580.66x = 5,405,752.06
5. Step 5: Solve for x
   x = 5,405,752.06/2,580.66
6. Step 6: Final answer
   x = 2,094.72