Finding the Fourth Proportional to 2,468.67, 3,698.82 and 2,157.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,468.67 : 3,698.82 = 2,157.09 : x
2. Step 2: Convert to fraction form
   2,468.67/3,698.82 = 2,157.09/x
3. Step 3: Cross multiply
   2,468.67x = 3,698.82 × 2,157.09
4. Step 4: Simplify right side
   2,468.67x = 7,978,687.63
5. Step 5: Solve for x
   x = 7,978,687.63/2,468.67
6. Step 6: Final answer
   x = 3,231.98