Finding the Fourth Proportional to 2,066.80, 3,100.96 and 956.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.80 : 3,100.96 = 956.75 : x
2. Step 2: Convert to fraction form
   2,066.80/3,100.96 = 956.75/x
3. Step 3: Cross multiply
   2,066.80x = 3,100.96 × 956.75
4. Step 4: Simplify right side
   2,066.80x = 2,966,843.48
5. Step 5: Solve for x
   x = 2,966,843.48/2,066.80
6. Step 6: Final answer
   x = 1,435.48