Finding the Fourth Proportional to 2,769.86, 4,155.02 and 1,382.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769.86 : 4,155.02 = 1,382.28 : x
2. Step 2: Convert to fraction form
   2,769.86/4,155.02 = 1,382.28/x
3. Step 3: Cross multiply
   2,769.86x = 4,155.02 × 1,382.28
4. Step 4: Simplify right side
   2,769.86x = 5,743,401.05
5. Step 5: Solve for x
   x = 5,743,401.05/2,769.86
6. Step 6: Final answer
   x = 2,073.53