Finding the Fourth Proportional to 2,411.91, 3,328.53 and 1,335.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.91 : 3,328.53 = 1,335.21 : x
2. Step 2: Convert to fraction form
   2,411.91/3,328.53 = 1,335.21/x
3. Step 3: Cross multiply
   2,411.91x = 3,328.53 × 1,335.21
4. Step 4: Simplify right side
   2,411.91x = 4,444,286.54
5. Step 5: Solve for x
   x = 4,444,286.54/2,411.91
6. Step 6: Final answer
   x = 1,842.64