Finding the Fourth Proportional to 2,433.69, 3,358.49 and 1,439.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.69 : 3,358.49 = 1,439.46 : x
2. Step 2: Convert to fraction form
   2,433.69/3,358.49 = 1,439.46/x
3. Step 3: Cross multiply
   2,433.69x = 3,358.49 × 1,439.46
4. Step 4: Simplify right side
   2,433.69x = 4,834,415.61
5. Step 5: Solve for x
   x = 4,834,415.61/2,433.69
6. Step 6: Final answer
   x = 1,986.45