Finding the Fourth Proportional to 3,659.58, 5,049.90 and 2,167.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.58 : 5,049.90 = 2,167.25 : x
2. Step 2: Convert to fraction form
   3,659.58/5,049.90 = 2,167.25/x
3. Step 3: Cross multiply
   3,659.58x = 5,049.90 × 2,167.25
4. Step 4: Simplify right side
   3,659.58x = 10,944,370.53
5. Step 5: Solve for x
   x = 10,944,370.53/3,659.58
6. Step 6: Final answer
   x = 2,990.61