Finding the Fourth Proportional to 2,580.55, 3,561.23 and 1,518.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.55 : 3,561.23 = 1,518.39 : x
2. Step 2: Convert to fraction form
   2,580.55/3,561.23 = 1,518.39/x
3. Step 3: Cross multiply
   2,580.55x = 3,561.23 × 1,518.39
4. Step 4: Simplify right side
   2,580.55x = 5,407,336.02
5. Step 5: Solve for x
   x = 5,407,336.02/2,580.55
6. Step 6: Final answer
   x = 2,095.42