Finding the Fourth Proportional to 3,633.69, 5,451.42 and 1,036.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,633.69 : 5,451.42 = 1,036.64 : x
2. Step 2: Convert to fraction form
   3,633.69/5,451.42 = 1,036.64/x
3. Step 3: Cross multiply
   3,633.69x = 5,451.42 × 1,036.64
4. Step 4: Simplify right side
   3,633.69x = 5,651,132.77
5. Step 5: Solve for x
   x = 5,651,132.77/3,633.69
6. Step 6: Final answer
   x = 1,555.20