Finding the Fourth Proportional to 2,783.43, 4,173.16 and 1,395.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.43 : 4,173.16 = 1,395.76 : x
2. Step 2: Convert to fraction form
   2,783.43/4,173.16 = 1,395.76/x
3. Step 3: Cross multiply
   2,783.43x = 4,173.16 × 1,395.76
4. Step 4: Simplify right side
   2,783.43x = 5,824,729.80
5. Step 5: Solve for x
   x = 5,824,729.80/2,783.43
6. Step 6: Final answer
   x = 2,092.65