Finding the Fourth Proportional to 2,508.12, 3,461.61 and 1,513.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508.12 : 3,461.61 = 1,513.55 : x
2. Step 2: Convert to fraction form
   2,508.12/3,461.61 = 1,513.55/x
3. Step 3: Cross multiply
   2,508.12x = 3,461.61 × 1,513.55
4. Step 4: Simplify right side
   2,508.12x = 5,239,302.51
5. Step 5: Solve for x
   x = 5,239,302.51/2,508.12
6. Step 6: Final answer
   x = 2,088.94