Finding the Fourth Proportional to 2,440.32, 3,367.52 and 1,431.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,440.32 : 3,367.52 = 1,431.89 : x
2. Step 2: Convert to fraction form
   2,440.32/3,367.52 = 1,431.89/x
3. Step 3: Cross multiply
   2,440.32x = 3,367.52 × 1,431.89
4. Step 4: Simplify right side
   2,440.32x = 4,821,912.21
5. Step 5: Solve for x
   x = 4,821,912.21/2,440.32
6. Step 6: Final answer
   x = 1,975.93