Finding the Fourth Proportional to 2,835.80, 3,911.46 and 2,783.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835.80 : 3,911.46 = 2,783.96 : x
2. Step 2: Convert to fraction form
   2,835.80/3,911.46 = 2,783.96/x
3. Step 3: Cross multiply
   2,835.80x = 3,911.46 × 2,783.96
4. Step 4: Simplify right side
   2,835.80x = 10,889,348.18
5. Step 5: Solve for x
   x = 10,889,348.18/2,835.80
6. Step 6: Final answer
   x = 3,839.96