Finding the Fourth Proportional to 2,561.00, 3,518.85 and 2,036.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.00 : 3,518.85 = 2,036.12 : x
2. Step 2: Convert to fraction form
   2,561.00/3,518.85 = 2,036.12/x
3. Step 3: Cross multiply
   2,561.00x = 3,518.85 × 2,036.12
4. Step 4: Simplify right side
   2,561.00x = 7,164,783.27
5. Step 5: Solve for x
   x = 7,164,783.27/2,561.00
6. Step 6: Final answer
   x = 2,797.66