Finding the Fourth Proportional to 2,305.72, 3,184.53 and 1,679.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,305.72 : 3,184.53 = 1,679.03 : x
2. Step 2: Convert to fraction form
   2,305.72/3,184.53 = 1,679.03/x
3. Step 3: Cross multiply
   2,305.72x = 3,184.53 × 1,679.03
4. Step 4: Simplify right side
   2,305.72x = 5,346,920.57
5. Step 5: Solve for x
   x = 5,346,920.57/2,305.72
6. Step 6: Final answer
   x = 2,318.99