Finding the Fourth Proportional to 2,494.10, 3,441.86 and 1,431.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494.10 : 3,441.86 = 1,431.90 : x
2. Step 2: Convert to fraction form
   2,494.10/3,441.86 = 1,431.90/x
3. Step 3: Cross multiply
   2,494.10x = 3,441.86 × 1,431.90
4. Step 4: Simplify right side
   2,494.10x = 4,928,392.17
5. Step 5: Solve for x
   x = 4,928,392.17/2,494.10
6. Step 6: Final answer
   x = 1,976.02