Finding the Fourth Proportional to 2,580.84, 3,561.98 and 1,518.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.84 : 3,561.98 = 1,518.80 : x
2. Step 2: Convert to fraction form
   2,580.84/3,561.98 = 1,518.80/x
3. Step 3: Cross multiply
   2,580.84x = 3,561.98 × 1,518.80
4. Step 4: Simplify right side
   2,580.84x = 5,409,909.82
5. Step 5: Solve for x
   x = 5,409,909.82/2,580.84
6. Step 6: Final answer
   x = 2,096.18