Finding the Fourth Proportional to 3,530.49, 5,294.47 and 1,064.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530.49 : 5,294.47 = 1,064.55 : x
2. Step 2: Convert to fraction form
   3,530.49/5,294.47 = 1,064.55/x
3. Step 3: Cross multiply
   3,530.49x = 5,294.47 × 1,064.55
4. Step 4: Simplify right side
   3,530.49x = 5,636,228.04
5. Step 5: Solve for x
   x = 5,636,228.04/3,530.49
6. Step 6: Final answer
   x = 1,596.44