Finding the Fourth Proportional to 2,406.23, 3,320.60 and 1,358.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.23 : 3,320.60 = 1,358.30 : x
2. Step 2: Convert to fraction form
   2,406.23/3,320.60 = 1,358.30/x
3. Step 3: Cross multiply
   2,406.23x = 3,320.60 × 1,358.30
4. Step 4: Simplify right side
   2,406.23x = 4,510,365.27
5. Step 5: Solve for x
   x = 4,510,365.27/2,406.23
6. Step 6: Final answer
   x = 1,874.45