Finding the Fourth Proportional to 2,491.92, 3,733.09 and 1,392.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491.92 : 3,733.09 = 1,392.95 : x
2. Step 2: Convert to fraction form
   2,491.92/3,733.09 = 1,392.95/x
3. Step 3: Cross multiply
   2,491.92x = 3,733.09 × 1,392.95
4. Step 4: Simplify right side
   2,491.92x = 5,200,007.72
5. Step 5: Solve for x
   x = 5,200,007.72/2,491.92
6. Step 6: Final answer
   x = 2,086.75