Finding the Fourth Proportional to 3,066.72, 4,231.53 and 1,808.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.72 : 4,231.53 = 1,808.03 : x
2. Step 2: Convert to fraction form
   3,066.72/4,231.53 = 1,808.03/x
3. Step 3: Cross multiply
   3,066.72x = 4,231.53 × 1,808.03
4. Step 4: Simplify right side
   3,066.72x = 7,650,712.03
5. Step 5: Solve for x
   x = 7,650,712.03/3,066.72
6. Step 6: Final answer
   x = 2,494.75