Finding the Fourth Proportional to 2,066.53, 2,851.81 and 1,122.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.53 : 2,851.81 = 1,122.33 : x
2. Step 2: Convert to fraction form
   2,066.53/2,851.81 = 1,122.33/x
3. Step 3: Cross multiply
   2,066.53x = 2,851.81 × 1,122.33
4. Step 4: Simplify right side
   2,066.53x = 3,200,652.05
5. Step 5: Solve for x
   x = 3,200,652.05/2,066.53
6. Step 6: Final answer
   x = 1,548.81