Finding the Fourth Proportional to 2,563.07, 3,536.61 and 1,428.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.07 : 3,536.61 = 1,428.49 : x
2. Step 2: Convert to fraction form
   2,563.07/3,536.61 = 1,428.49/x
3. Step 3: Cross multiply
   2,563.07x = 3,536.61 × 1,428.49
4. Step 4: Simplify right side
   2,563.07x = 5,052,004.88
5. Step 5: Solve for x
   x = 5,052,004.88/2,563.07
6. Step 6: Final answer
   x = 1,971.08