Finding the Fourth Proportional to 2,066.77, 2,851.90 and 1,227.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.77 : 2,851.90 = 1,227.75 : x
2. Step 2: Convert to fraction form
   2,066.77/2,851.90 = 1,227.75/x
3. Step 3: Cross multiply
   2,066.77x = 2,851.90 × 1,227.75
4. Step 4: Simplify right side
   2,066.77x = 3,501,420.23
5. Step 5: Solve for x
   x = 3,501,420.23/2,066.77
6. Step 6: Final answer
   x = 1,694.15