Finding the Fourth Proportional to 2,406.16, 3,320.16 and 1,358.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.16 : 3,320.16 = 1,358.32 : x
2. Step 2: Convert to fraction form
   2,406.16/3,320.16 = 1,358.32/x
3. Step 3: Cross multiply
   2,406.16x = 3,320.16 × 1,358.32
4. Step 4: Simplify right side
   2,406.16x = 4,509,839.73
5. Step 5: Solve for x
   x = 4,509,839.73/2,406.16
6. Step 6: Final answer
   x = 1,874.29