Finding the Fourth Proportional to 2,976.84, 4,464.30 and 1,128.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.84 : 4,464.30 = 1,128.60 : x
2. Step 2: Convert to fraction form
   2,976.84/4,464.30 = 1,128.60/x
3. Step 3: Cross multiply
   2,976.84x = 4,464.30 × 1,128.60
4. Step 4: Simplify right side
   2,976.84x = 5,038,408.98
5. Step 5: Solve for x
   x = 5,038,408.98/2,976.84
6. Step 6: Final answer
   x = 1,692.54