Finding the Fourth Proportional to 2,320.50, 3,202.20 and 1,424.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.50 : 3,202.20 = 1,424.10 : x
2. Step 2: Convert to fraction form
   2,320.50/3,202.20 = 1,424.10/x
3. Step 3: Cross multiply
   2,320.50x = 3,202.20 × 1,424.10
4. Step 4: Simplify right side
   2,320.50x = 4,560,253.02
5. Step 5: Solve for x
   x = 4,560,253.02/2,320.50
6. Step 6: Final answer
   x = 1,965.20