Finding the Fourth Proportional to 2,404.89, 3,318.59 and 1,356.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.89 : 3,318.59 = 1,356.75 : x
2. Step 2: Convert to fraction form
   2,404.89/3,318.59 = 1,356.75/x
3. Step 3: Cross multiply
   2,404.89x = 3,318.59 × 1,356.75
4. Step 4: Simplify right side
   2,404.89x = 4,502,490.20
5. Step 5: Solve for x
   x = 4,502,490.20/2,404.89
6. Step 6: Final answer
   x = 1,872.22