Finding the Fourth Proportional to 2,563.39, 3,537.30 and 1,515.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.39 : 3,537.30 = 1,515.25 : x
2. Step 2: Convert to fraction form
   2,563.39/3,537.30 = 1,515.25/x
3. Step 3: Cross multiply
   2,563.39x = 3,537.30 × 1,515.25
4. Step 4: Simplify right side
   2,563.39x = 5,359,893.83
5. Step 5: Solve for x
   x = 5,359,893.83/2,563.39
6. Step 6: Final answer
   x = 2,090.94