Finding the Fourth Proportional to 2,404.53, 3,318.30 and 1,356.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.53 : 3,318.30 = 1,356.39 : x
2. Step 2: Convert to fraction form
   2,404.53/3,318.30 = 1,356.39/x
3. Step 3: Cross multiply
   2,404.53x = 3,318.30 × 1,356.39
4. Step 4: Simplify right side
   2,404.53x = 4,500,908.94
5. Step 5: Solve for x
   x = 4,500,908.94/2,404.53
6. Step 6: Final answer
   x = 1,871.85