Finding the Fourth Proportional to 2,783.62, 4,173.15 and 1,395.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.62 : 4,173.15 = 1,395.28 : x
2. Step 2: Convert to fraction form
   2,783.62/4,173.15 = 1,395.28/x
3. Step 3: Cross multiply
   2,783.62x = 4,173.15 × 1,395.28
4. Step 4: Simplify right side
   2,783.62x = 5,822,712.73
5. Step 5: Solve for x
   x = 5,822,712.73/2,783.62
6. Step 6: Final answer
   x = 2,091.78