Finding the Fourth Proportional to 2,404.69, 3,318.47 and 1,356.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.69 : 3,318.47 = 1,356.75 : x
2. Step 2: Convert to fraction form
   2,404.69/3,318.47 = 1,356.75/x
3. Step 3: Cross multiply
   2,404.69x = 3,318.47 × 1,356.75
4. Step 4: Simplify right side
   2,404.69x = 4,502,332.48
5. Step 5: Solve for x
   x = 4,502,332.48/2,404.69
6. Step 6: Final answer
   x = 1,872.32