Finding the Fourth Proportional to 2,066.88, 3,100.80 and 834.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.88 : 3,100.80 = 834.48 : x
2. Step 2: Convert to fraction form
   2,066.88/3,100.80 = 834.48/x
3. Step 3: Cross multiply
   2,066.88x = 3,100.80 × 834.48
4. Step 4: Simplify right side
   2,066.88x = 2,587,555.58
5. Step 5: Solve for x
   x = 2,587,555.58/2,066.88
6. Step 6: Final answer
   x = 1,251.91