Finding the Fourth Proportional to 2,066.94, 2,851.98 and 1,320.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.94 : 2,851.98 = 1,320.32 : x
2. Step 2: Convert to fraction form
   2,066.94/2,851.98 = 1,320.32/x
3. Step 3: Cross multiply
   2,066.94x = 2,851.98 × 1,320.32
4. Step 4: Simplify right side
   2,066.94x = 3,765,528.41
5. Step 5: Solve for x
   x = 3,765,528.41/2,066.94
6. Step 6: Final answer
   x = 1,821.79