Finding the Fourth Proportional to 3,642.27, 5,464.21 and 1,045

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.27 : 5,464.21 = 1,045 : x
2. Step 2: Convert to fraction form
   3,642.27/5,464.21 = 1,045/x
3. Step 3: Cross multiply
   3,642.27x = 5,464.21 × 1,045
4. Step 4: Simplify right side
   3,642.27x = 5,710,099.45
5. Step 5: Solve for x
   x = 5,710,099.45/3,642.27
6. Step 6: Final answer
   x = 1,567.73