Finding the Fourth Proportional to 2,487.43, 3,730.74 and 843.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.43 : 3,730.74 = 843.94 : x
2. Step 2: Convert to fraction form
   2,487.43/3,730.74 = 843.94/x
3. Step 3: Cross multiply
   2,487.43x = 3,730.74 × 843.94
4. Step 4: Simplify right side
   2,487.43x = 3,148,520.72
5. Step 5: Solve for x
   x = 3,148,520.72/2,487.43
6. Step 6: Final answer
   x = 1,265.77