Finding the Fourth Proportional to 3,564.25, 5,345.87 and 1,065.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564.25 : 5,345.87 = 1,065.38 : x
2. Step 2: Convert to fraction form
   3,564.25/5,345.87 = 1,065.38/x
3. Step 3: Cross multiply
   3,564.25x = 5,345.87 × 1,065.38
4. Step 4: Simplify right side
   3,564.25x = 5,695,350.92
5. Step 5: Solve for x
   x = 5,695,350.92/3,564.25
6. Step 6: Final answer
   x = 1,597.91