Finding the Fourth Proportional to 3,966.98, 5,952.78 and 3,662.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,966.98 : 5,952.78 = 3,662.51 : x
2. Step 2: Convert to fraction form
   3,966.98/5,952.78 = 3,662.51/x
3. Step 3: Cross multiply
   3,966.98x = 5,952.78 × 3,662.51
4. Step 4: Simplify right side
   3,966.98x = 21,802,116.28
5. Step 5: Solve for x
   x = 21,802,116.28/3,966.98
6. Step 6: Final answer
   x = 5,495.90