Finding the Fourth Proportional to 3,689.69, 5,535.61 and 1,092.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689.69 : 5,535.61 = 1,092.69 : x
2. Step 2: Convert to fraction form
   3,689.69/5,535.61 = 1,092.69/x
3. Step 3: Cross multiply
   3,689.69x = 5,535.61 × 1,092.69
4. Step 4: Simplify right side
   3,689.69x = 6,048,705.69
5. Step 5: Solve for x
   x = 6,048,705.69/3,689.69
6. Step 6: Final answer
   x = 1,639.35