Finding the Fourth Proportional to 3,530.52, 5,296.59 and 1,065.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530.52 : 5,296.59 = 1,065.42 : x
2. Step 2: Convert to fraction form
   3,530.52/5,296.59 = 1,065.42/x
3. Step 3: Cross multiply
   3,530.52x = 5,296.59 × 1,065.42
4. Step 4: Simplify right side
   3,530.52x = 5,643,092.92
5. Step 5: Solve for x
   x = 5,643,092.92/3,530.52
6. Step 6: Final answer
   x = 1,598.37