Finding the Fourth Proportional to 2,563.34, 3,535.62 and 1,515.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.34 : 3,535.62 = 1,515.38 : x
2. Step 2: Convert to fraction form
   2,563.34/3,535.62 = 1,515.38/x
3. Step 3: Cross multiply
   2,563.34x = 3,535.62 × 1,515.38
4. Step 4: Simplify right side
   2,563.34x = 5,357,807.84
5. Step 5: Solve for x
   x = 5,357,807.84/2,563.34
6. Step 6: Final answer
   x = 2,090.17