Finding the Fourth Proportional to 2,066.59, 2,851.81 and 1,135.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.59 : 2,851.81 = 1,135.09 : x
2. Step 2: Convert to fraction form
   2,066.59/2,851.81 = 1,135.09/x
3. Step 3: Cross multiply
   2,066.59x = 2,851.81 × 1,135.09
4. Step 4: Simplify right side
   2,066.59x = 3,237,061.01
5. Step 5: Solve for x
   x = 3,237,061.01/2,066.59
6. Step 6: Final answer
   x = 1,566.38