Finding the Fourth Proportional to 2,406.53, 3,321.06 and 1,358.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.53 : 3,321.06 = 1,358.39 : x
2. Step 2: Convert to fraction form
   2,406.53/3,321.06 = 1,358.39/x
3. Step 3: Cross multiply
   2,406.53x = 3,321.06 × 1,358.39
4. Step 4: Simplify right side
   2,406.53x = 4,511,294.69
5. Step 5: Solve for x
   x = 4,511,294.69/2,406.53
6. Step 6: Final answer
   x = 1,874.61