Finding the Fourth Proportional to 2,404.59, 3,318.33 and 1,356.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.59 : 3,318.33 = 1,356.66 : x
2. Step 2: Convert to fraction form
   2,404.59/3,318.33 = 1,356.66/x
3. Step 3: Cross multiply
   2,404.59x = 3,318.33 × 1,356.66
4. Step 4: Simplify right side
   2,404.59x = 4,501,845.58
5. Step 5: Solve for x
   x = 4,501,845.58/2,404.59
6. Step 6: Final answer
   x = 1,872.19