Finding the Fourth Proportional to 2,404.76, 3,318.64 and 1,356.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.76 : 3,318.64 = 1,356.89 : x
2. Step 2: Convert to fraction form
   2,404.76/3,318.64 = 1,356.89/x
3. Step 3: Cross multiply
   2,404.76x = 3,318.64 × 1,356.89
4. Step 4: Simplify right side
   2,404.76x = 4,503,009.44
5. Step 5: Solve for x
   x = 4,503,009.44/2,404.76
6. Step 6: Final answer
   x = 1,872.54