Finding the Fourth Proportional to 2,066.94, 3,100.98 and 835.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.94 : 3,100.98 = 835.20 : x
2. Step 2: Convert to fraction form
   2,066.94/3,100.98 = 835.20/x
3. Step 3: Cross multiply
   2,066.94x = 3,100.98 × 835.20
4. Step 4: Simplify right side
   2,066.94x = 2,589,938.50
5. Step 5: Solve for x
   x = 2,589,938.50/2,066.94
6. Step 6: Final answer
   x = 1,253.03