Finding the Fourth Proportional to 3,066.68, 4,231.92 and 1,669.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.68 : 4,231.92 = 1,669.42 : x
2. Step 2: Convert to fraction form
   3,066.68/4,231.92 = 1,669.42/x
3. Step 3: Cross multiply
   3,066.68x = 4,231.92 × 1,669.42
4. Step 4: Simplify right side
   3,066.68x = 7,064,851.89
5. Step 5: Solve for x
   x = 7,064,851.89/3,066.68
6. Step 6: Final answer
   x = 2,303.75