Finding the Fourth Proportional to 2,488.35, 3,433.43 and 1,426.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.35 : 3,433.43 = 1,426.46 : x
2. Step 2: Convert to fraction form
   2,488.35/3,433.43 = 1,426.46/x
3. Step 3: Cross multiply
   2,488.35x = 3,433.43 × 1,426.46
4. Step 4: Simplify right side
   2,488.35x = 4,897,636.96
5. Step 5: Solve for x
   x = 4,897,636.96/2,488.35
6. Step 6: Final answer
   x = 1,968.22