Finding the Fourth Proportional to 2,066.64, 3,100.10 and 834.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.64 : 3,100.10 = 834.06 : x
2. Step 2: Convert to fraction form
   2,066.64/3,100.10 = 834.06/x
3. Step 3: Cross multiply
   2,066.64x = 3,100.10 × 834.06
4. Step 4: Simplify right side
   2,066.64x = 2,585,669.41
5. Step 5: Solve for x
   x = 2,585,669.41/2,066.64
6. Step 6: Final answer
   x = 1,251.15