Finding the Fourth Proportional to 2,404.38, 3,318.00 and 1,356.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.38 : 3,318.00 = 1,356.45 : x
2. Step 2: Convert to fraction form
   2,404.38/3,318.00 = 1,356.45/x
3. Step 3: Cross multiply
   2,404.38x = 3,318.00 × 1,356.45
4. Step 4: Simplify right side
   2,404.38x = 4,500,683.57
5. Step 5: Solve for x
   x = 4,500,683.57/2,404.38
6. Step 6: Final answer
   x = 1,871.87