Finding the Fourth Proportional to 2,068.77, 3,103.83 and 835.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.77 : 3,103.83 = 835.55 : x
2. Step 2: Convert to fraction form
   2,068.77/3,103.83 = 835.55/x
3. Step 3: Cross multiply
   2,068.77x = 3,103.83 × 835.55
4. Step 4: Simplify right side
   2,068.77x = 2,593,389.64
5. Step 5: Solve for x
   x = 2,593,389.64/2,068.77
6. Step 6: Final answer
   x = 1,253.59