Finding the Fourth Proportional to 2,689.15, 4,031.42 and 1,436.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.15 : 4,031.42 = 1,436.94 : x
2. Step 2: Convert to fraction form
   2,689.15/4,031.42 = 1,436.94/x
3. Step 3: Cross multiply
   2,689.15x = 4,031.42 × 1,436.94
4. Step 4: Simplify right side
   2,689.15x = 5,792,909.55
5. Step 5: Solve for x
   x = 5,792,909.55/2,689.15
6. Step 6: Final answer
   x = 2,154.18