Finding the Fourth Proportional to 2,561.94, 3,534.57 and 1,513.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.94 : 3,534.57 = 1,513.26 : x
2. Step 2: Convert to fraction form
   2,561.94/3,534.57 = 1,513.26/x
3. Step 3: Cross multiply
   2,561.94x = 3,534.57 × 1,513.26
4. Step 4: Simplify right side
   2,561.94x = 5,348,723.40
5. Step 5: Solve for x
   x = 5,348,723.40/2,561.94
6. Step 6: Final answer
   x = 2,087.76