Finding the Fourth Proportional to 2,404.96, 3,318.96 and 1,357

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.96 : 3,318.96 = 1,357 : x
2. Step 2: Convert to fraction form
   2,404.96/3,318.96 = 1,357/x
3. Step 3: Cross multiply
   2,404.96x = 3,318.96 × 1,357
4. Step 4: Simplify right side
   2,404.96x = 4,503,828.72
5. Step 5: Solve for x
   x = 4,503,828.72/2,404.96
6. Step 6: Final answer
   x = 1,872.73