Finding the Fourth Proportional to 2,483.18, 3,716.78 and 1,311.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.18 : 3,716.78 = 1,311.51 : x
2. Step 2: Convert to fraction form
   2,483.18/3,716.78 = 1,311.51/x
3. Step 3: Cross multiply
   2,483.18x = 3,716.78 × 1,311.51
4. Step 4: Simplify right side
   2,483.18x = 4,874,597.42
5. Step 5: Solve for x
   x = 4,874,597.42/2,483.18
6. Step 6: Final answer
   x = 1,963.04