Finding the Fourth Proportional to 2,406.46, 3,320.34 and 1,358.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.46 : 3,320.34 = 1,358.53 : x
2. Step 2: Convert to fraction form
   2,406.46/3,320.34 = 1,358.53/x
3. Step 3: Cross multiply
   2,406.46x = 3,320.34 × 1,358.53
4. Step 4: Simplify right side
   2,406.46x = 4,510,781.50
5. Step 5: Solve for x
   x = 4,510,781.50/2,406.46
6. Step 6: Final answer
   x = 1,874.45