Finding the Fourth Proportional to 2,580.73, 3,560.90 and 1,518.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.73 : 3,560.90 = 1,518.21 : x
2. Step 2: Convert to fraction form
   2,580.73/3,560.90 = 1,518.21/x
3. Step 3: Cross multiply
   2,580.73x = 3,560.90 × 1,518.21
4. Step 4: Simplify right side
   2,580.73x = 5,406,186.40
5. Step 5: Solve for x
   x = 5,406,186.40/2,580.73
6. Step 6: Final answer
   x = 2,094.83