Finding the Fourth Proportional to 2,561.13, 3,534.35 and 1,513.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.13 : 3,534.35 = 1,513.83 : x
2. Step 2: Convert to fraction form
   2,561.13/3,534.35 = 1,513.83/x
3. Step 3: Cross multiply
   2,561.13x = 3,534.35 × 1,513.83
4. Step 4: Simplify right side
   2,561.13x = 5,350,405.06
5. Step 5: Solve for x
   x = 5,350,405.06/2,561.13
6. Step 6: Final answer
   x = 2,089.08