Finding the Fourth Proportional to 2,563.83, 3,537.90 and 1,515.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.83 : 3,537.90 = 1,515.69 : x
2. Step 2: Convert to fraction form
   2,563.83/3,537.90 = 1,515.69/x
3. Step 3: Cross multiply
   2,563.83x = 3,537.90 × 1,515.69
4. Step 4: Simplify right side
   2,563.83x = 5,362,359.65
5. Step 5: Solve for x
   x = 5,362,359.65/2,563.83
6. Step 6: Final answer
   x = 2,091.54