Finding the Fourth Proportional to 2,451.20, 3,382.83 and 1,403.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.20 : 3,382.83 = 1,403.06 : x
2. Step 2: Convert to fraction form
   2,451.20/3,382.83 = 1,403.06/x
3. Step 3: Cross multiply
   2,451.20x = 3,382.83 × 1,403.06
4. Step 4: Simplify right side
   2,451.20x = 4,746,296.55
5. Step 5: Solve for x
   x = 4,746,296.55/2,451.20
6. Step 6: Final answer
   x = 1,936.32