Finding the Fourth Proportional to 3,066.50, 4,231.86 and 1,669.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.50 : 4,231.86 = 1,669.34 : x
2. Step 2: Convert to fraction form
   3,066.50/4,231.86 = 1,669.34/x
3. Step 3: Cross multiply
   3,066.50x = 4,231.86 × 1,669.34
4. Step 4: Simplify right side
   3,066.50x = 7,064,413.17
5. Step 5: Solve for x
   x = 7,064,413.17/3,066.50
6. Step 6: Final answer
   x = 2,303.74