Finding the Fourth Proportional to 2,406.55, 3,321.03 and 1,358.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.55 : 3,321.03 = 1,358.61 : x
2. Step 2: Convert to fraction form
   2,406.55/3,321.03 = 1,358.61/x
3. Step 3: Cross multiply
   2,406.55x = 3,321.03 × 1,358.61
4. Step 4: Simplify right side
   2,406.55x = 4,511,984.57
5. Step 5: Solve for x
   x = 4,511,984.57/2,406.55
6. Step 6: Final answer
   x = 1,874.88