Finding the Fourth Proportional to 2,768.12, 4,153.89 and 1,124.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768.12 : 4,153.89 = 1,124.69 : x
2. Step 2: Convert to fraction form
   2,768.12/4,153.89 = 1,124.69/x
3. Step 3: Cross multiply
   2,768.12x = 4,153.89 × 1,124.69
4. Step 4: Simplify right side
   2,768.12x = 4,671,821.99
5. Step 5: Solve for x
   x = 4,671,821.99/2,768.12
6. Step 6: Final answer
   x = 1,687.72