Finding the Fourth Proportional to 3,969.25, 5,952.42 and 1,776.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.25 : 5,952.42 = 1,776.85 : x
2. Step 2: Convert to fraction form
   3,969.25/5,952.42 = 1,776.85/x
3. Step 3: Cross multiply
   3,969.25x = 5,952.42 × 1,776.85
4. Step 4: Simplify right side
   3,969.25x = 10,576,557.48
5. Step 5: Solve for x
   x = 10,576,557.48/3,969.25
6. Step 6: Final answer
   x = 2,664.62