Finding the Fourth Proportional to 2,561.22, 3,519.16 and 2,036.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.22 : 3,519.16 = 2,036.34 : x
2. Step 2: Convert to fraction form
   2,561.22/3,519.16 = 2,036.34/x
3. Step 3: Cross multiply
   2,561.22x = 3,519.16 × 2,036.34
4. Step 4: Simplify right side
   2,561.22x = 7,166,206.27
5. Step 5: Solve for x
   x = 7,166,206.27/2,561.22
6. Step 6: Final answer
   x = 2,797.97