Finding the Fourth Proportional to 2,976.75, 4,466.14 and 1,128.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.75 : 4,466.14 = 1,128.38 : x
2. Step 2: Convert to fraction form
   2,976.75/4,466.14 = 1,128.38/x
3. Step 3: Cross multiply
   2,976.75x = 4,466.14 × 1,128.38
4. Step 4: Simplify right side
   2,976.75x = 5,039,477.90
5. Step 5: Solve for x
   x = 5,039,477.90/2,976.75
6. Step 6: Final answer
   x = 1,692.95