Finding the Fourth Proportional to 3,066.53, 4,233.69 and 1,889.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.53 : 4,233.69 = 1,889.20 : x
2. Step 2: Convert to fraction form
   3,066.53/4,233.69 = 1,889.20/x
3. Step 3: Cross multiply
   3,066.53x = 4,233.69 × 1,889.20
4. Step 4: Simplify right side
   3,066.53x = 7,998,287.15
5. Step 5: Solve for x
   x = 7,998,287.15/3,066.53
6. Step 6: Final answer
   x = 2,608.25