Finding the Fourth Proportional to 3,066.57, 4,231.89 and 1,669.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.57 : 4,231.89 = 1,669.32 : x
2. Step 2: Convert to fraction form
   3,066.57/4,231.89 = 1,669.32/x
3. Step 3: Cross multiply
   3,066.57x = 4,231.89 × 1,669.32
4. Step 4: Simplify right side
   3,066.57x = 7,064,378.61
5. Step 5: Solve for x
   x = 7,064,378.61/3,066.57
6. Step 6: Final answer
   x = 2,303.67