Finding the Fourth Proportional to 2,456.82, 3,699.09 and 2,166.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.82 : 3,699.09 = 2,166.19 : x
2. Step 2: Convert to fraction form
   2,456.82/3,699.09 = 2,166.19/x
3. Step 3: Cross multiply
   2,456.82x = 3,699.09 × 2,166.19
4. Step 4: Simplify right side
   2,456.82x = 8,012,935.71
5. Step 5: Solve for x
   x = 8,012,935.71/2,456.82
6. Step 6: Final answer
   x = 3,261.50