Finding the Fourth Proportional to 2,958.49, 4,429.50 and 2,399.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,958.49 : 4,429.50 = 2,399.86 : x
2. Step 2: Convert to fraction form
   2,958.49/4,429.50 = 2,399.86/x
3. Step 3: Cross multiply
   2,958.49x = 4,429.50 × 2,399.86
4. Step 4: Simplify right side
   2,958.49x = 10,630,179.87
5. Step 5: Solve for x
   x = 10,630,179.87/2,958.49
6. Step 6: Final answer
   x = 3,593.11