Finding the Fourth Proportional to 2,406.20, 3,320.76 and 1,358.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.20 : 3,320.76 = 1,358.24 : x
2. Step 2: Convert to fraction form
   2,406.20/3,320.76 = 1,358.24/x
3. Step 3: Cross multiply
   2,406.20x = 3,320.76 × 1,358.24
4. Step 4: Simplify right side
   2,406.20x = 4,510,389.06
5. Step 5: Solve for x
   x = 4,510,389.06/2,406.20
6. Step 6: Final answer
   x = 1,874.49