Finding the Fourth Proportional to 2,495.47, 3,443.90 and 1,433.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495.47 : 3,443.90 = 1,433.57 : x
2. Step 2: Convert to fraction form
   2,495.47/3,443.90 = 1,433.57/x
3. Step 3: Cross multiply
   2,495.47x = 3,443.90 × 1,433.57
4. Step 4: Simplify right side
   2,495.47x = 4,937,058.09
5. Step 5: Solve for x
   x = 4,937,058.09/2,495.47
6. Step 6: Final answer
   x = 1,978.41