Finding the Fourth Proportional to 2,066.50, 2,851.77 and 1,135.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.50 : 2,851.77 = 1,135.06 : x
2. Step 2: Convert to fraction form
   2,066.50/2,851.77 = 1,135.06/x
3. Step 3: Cross multiply
   2,066.50x = 2,851.77 × 1,135.06
4. Step 4: Simplify right side
   2,066.50x = 3,236,930.06
5. Step 5: Solve for x
   x = 3,236,930.06/2,066.50
6. Step 6: Final answer
   x = 1,566.38