Finding the Fourth Proportional to 2,066.39, 2,851.31 and 1,134.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.39 : 2,851.31 = 1,134.89 : x
2. Step 2: Convert to fraction form
   2,066.39/2,851.31 = 1,134.89/x
3. Step 3: Cross multiply
   2,066.39x = 2,851.31 × 1,134.89
4. Step 4: Simplify right side
   2,066.39x = 3,235,903.27
5. Step 5: Solve for x
   x = 3,235,903.27/2,066.39
6. Step 6: Final answer
   x = 1,565.97