Finding the Fourth Proportional to 2,404.80, 3,318.24 and 1,356.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.80 : 3,318.24 = 1,356.84 : x
2. Step 2: Convert to fraction form
   2,404.80/3,318.24 = 1,356.84/x
3. Step 3: Cross multiply
   2,404.80x = 3,318.24 × 1,356.84
4. Step 4: Simplify right side
   2,404.80x = 4,502,320.76
5. Step 5: Solve for x
   x = 4,502,320.76/2,404.80
6. Step 6: Final answer
   x = 1,872.22