Finding the Fourth Proportional to 2,976.69, 4,464 and 1,128.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.69 : 4,464 = 1,128.33 : x
2. Step 2: Convert to fraction form
   2,976.69/4,464 = 1,128.33/x
3. Step 3: Cross multiply
   2,976.69x = 4,464 × 1,128.33
4. Step 4: Simplify right side
   2,976.69x = 5,036,865.12
5. Step 5: Solve for x
   x = 5,036,865.12/2,976.69
6. Step 6: Final answer
   x = 1,692.10