Finding the Fourth Proportional to 2,404.68, 3,318.42 and 1,356.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.68 : 3,318.42 = 1,356.76 : x
2. Step 2: Convert to fraction form
   2,404.68/3,318.42 = 1,356.76/x
3. Step 3: Cross multiply
   2,404.68x = 3,318.42 × 1,356.76
4. Step 4: Simplify right side
   2,404.68x = 4,502,299.52
5. Step 5: Solve for x
   x = 4,502,299.52/2,404.68
6. Step 6: Final answer
   x = 1,872.31