Finding the Fourth Proportional to 2,581.94, 3,873.88 and 938.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.94 : 3,873.88 = 938.62 : x
2. Step 2: Convert to fraction form
   2,581.94/3,873.88 = 938.62/x
3. Step 3: Cross multiply
   2,581.94x = 3,873.88 × 938.62
4. Step 4: Simplify right side
   2,581.94x = 3,636,101.98
5. Step 5: Solve for x
   x = 3,636,101.98/2,581.94
6. Step 6: Final answer
   x = 1,408.28