Finding the Fourth Proportional to 2,976.50, 4,464.03 and 1,128.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.50 : 4,464.03 = 1,128.48 : x
2. Step 2: Convert to fraction form
   2,976.50/4,464.03 = 1,128.48/x
3. Step 3: Cross multiply
   2,976.50x = 4,464.03 × 1,128.48
4. Step 4: Simplify right side
   2,976.50x = 5,037,568.57
5. Step 5: Solve for x
   x = 5,037,568.57/2,976.50
6. Step 6: Final answer
   x = 1,692.45