Finding the Fourth Proportional to 3,249.66, 4,485.15 and 2,131.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,249.66 : 4,485.15 = 2,131.59 : x
2. Step 2: Convert to fraction form
   3,249.66/4,485.15 = 2,131.59/x
3. Step 3: Cross multiply
   3,249.66x = 4,485.15 × 2,131.59
4. Step 4: Simplify right side
   3,249.66x = 9,560,500.89
5. Step 5: Solve for x
   x = 9,560,500.89/3,249.66
6. Step 6: Final answer
   x = 2,942.00